Here is a list of 2 syllable words that start with ‘O.’ There is a total of 1150 words in these tables. Each table is divided into two columns. The left column contains the two-syllable ‘O’ words, and the right column includes the syllables.
While making this table, we have removed those words that are no longer used in modern literary works. This list is made following the Merriam-Webster dictionary. If you see any errors in this list, please let us know.
Two Syllable Words Syllables Oahu oa-hu Oakdale oak-dale Oaken oak-en Oakeshott oake-shott Oakham oak-ham Oakland oak-land Oakley oak-ley Oakling oak-ling Oakmoss oak-moss Oakum oa-kum Oakville oak-ville Oarage oar-age Oarfish oar-fish Oarlock oar-lock Oarsman oars-man Oasal oa-sal Oases oa-sis Oatcake oat-cake Oaten oat-en Oater oat-er Oatmeal oat-meal Obama oba-ma Obclavate ob-clavate Obclude ob-clude Obcompressed ob-compressed Obconic ob-conic Obcuneate ob-cuneate Obdeltoid ob-deltoid Obdiplostemonous ob-diplostemonous Obduce ob-duce Obdure ob-dure Obeah obe-ah Obeche obe-che Obeisance obei-sance Obeli obe-lus Obelia obe-lia Obelisk obe-lisk Obelize obe-lize Oberea obe-rea Oberek obe-rek Oberon ober-on Obeyable obey-able Obeyance obey-ance Obfusc ob-fusc Obfusque ob-fusque Obiit ob-iit Obispo obis-po Obiter obi-ter Object ob-ject Oblast ob-last Oblate ob-late Obley ob-ley Obligato obli-gato Obligement oblige-ment Obliging oblig-ing
Two Syllable Words Syllables Oblong ob-long Obnounce ob-nounce Obole ob-ole Obomegoid ob-omegoid Obongo obon-go Obovate ob-ovate Obovoid ob-ovoid Obpyramidal ob-pyramidal Obpyriform ob-pyriform Obrok ob-rok Obround ob-round Obscene ob-scene Obscuration ob-scure Obsede ob-sede Observe ob-serve Obsess ob-sess Obsessed ob-sessed Obstruct ob-struct Obtain ob-tain Obtect ob-tect Obtest ob-test Obtrude ob-trude Obtruncate ob-truncate Obtund ob-tund Obturbinate ob-turbinate Obtuse ob-tuse Obuchi obu-chi Obvallate ob-vallate Obverse ob-verse Obvert ob-vert Obvolve ob-volve Occam ock-ham Occlude oc-clude Occult oc-cult Occur oc-cur Oceanaut ocea-naut Oceanfront ocean-front Oceanid oce-anid Oceanside ocean-side Oceanus oce-anus Ocellar ocel-lus Ocelot oce-lot Ocherish ocher-ish Ochna och-na Ochoan ocho-an Ochone och-one Ochraceous ochra-ceous Ochreae oc-rea Ocicat oci-cat Ocoee oco-ee Ocote oco-te Ocotea oco-tea Octad oc-tad Octal oc-tal Octane oc-tane
Two Syllable Words Syllables Octans oc-tans Octant oc-tant Octarch oc-tarch Octarchy oc-tarchy Octave oc-tave Octene oc-tene Octet oc-tet Octode oc-tode Octoid oc-toid Octroi oc-troi Octroy oc-troy Octuor oc-tuor Octyl oc-tyl Octyne oc-tyne Ocyroe ocyr-oe Odalisque oda-lisque Odaller odal-ler Oddball odd-ball Oddish odd-ish Oddling odd-ling Oddly odd-ly Oddment odd-ment Oddsmaker odds-maker Odea ode-um Odense oden-se Odesa odes-sa Odessan odes-san Odic od-ic Odinic odin-ic Odinism odin-ism Odinist odin-ist Odious odi-ous Odium odi-um Odograph odo-graph Odonate odo-nate Odorant odor-ant Odorate odor-ate Odori odo-ri Odorize odor-ize Odorous odor-ous Odsbud ods-bud Odso od-so Odyl od-yl Odylic odyl-ic Odysseus odys-seus Odzookers od-zooks Oeci oe-cus Oecia -oe-cia Oecist oe-cist Oeillade oeil-lade Oenin oe-nin Oersted oer-sted Oeta oe-ta Oeuvre oeu-vre Offal of-fal
Two Syllable Words Syllables Offbeat off-beat Offcast off-cast Offcut off-cut Offen off-en Offence of-fense Offend of-fend Offer of-fer Offhand off-hand Office of-fice Offing off-ing Offish off-ish Offlet off-let Offprint off-print Offscape off-scape Offset off-set Offshoot off-shoot Offshore off-shore Offside off-side Offspring off-spring Offstage off-stage Offtrack off-track Offward off-ward Oflag of-lag Often of-ten Oftens of-tens Ofttime oft-time Ofttimes oft-times Ogadai ögö-dei Ogaden oga-den Ogden og-den Ogeechee ogee-chee Ogival ogi-val Oglethorpe ogle-thorpe Ogmic og-mic Ogooué ogo-oué Ohelo ohe-lo Ohian ohi-an Ohmage ohm-age Oilbird oil-bird Oilcan oil-can Oilcloth oil-cloth Oildom oil-dom Oiler oil-er Oilless oil-less Oillet oil-let Oilman oil-man Oilseed oil-seed Oilskin oil-skin Oilskinned oil-skinned Oilstone oil-stone Oime oi-me Ointment oint-ment Oistrakh ois-trakh Oita oi-ta Ojibwa ojib-wa
Two Syllable Words Syllables Okapi oka-pi Okenite oken-ite Okeydoke okey Oklabar okla-bar Okoume okou-me Okvik ok-vik Olathe ola-the Olation ola-tion Olcha ol-cha Olden old-en Oldham old-ham Oldie old-ie Oldish old-ish Oldland old-land Oldman old-man Oldness old-ness Oldsquaw old-squaw Oldster old-ster Oldwife old-wife Olea ole-um Oleate ole-ate Olefin ole-fin Olein ole-in Olekma olek-ma Olenek ole-nek Olenus ole-nus Oleocalcareous oleo-calcareous Oleograph oleo-graph Oleomargaric oleo-margaric Oleorefractometer oleo-refractometer Oleose ole-ous Oleostearin oleo-stearin Olestra oles-tra Oleyl ole-yl Olid ol-id Olingo olin-go Olinia olin-ia Olisthops olis-thops Oliva oli-va Olive ol-ive Olla ol-la Ollamh ol-lav Ollie ol-lie Olmec ol-mec Olmert ol-mert Olmsted olm-sted Olmütz olo-mouc Olnets olo-nets Olona olo-na Olpae ol-pe Olsztyn olsz-tyn Olympia olym-pia Olympic olym-pic Olympus olym-pus Olynthus olyn-thus
Two Syllable Words Syllables Omadhaun oma-dhaun Omagua oma-gua Omaha oma-ha Omahan oma-han Omarian omar-ian Omasa oma-sum Ombre om-bré Ombu om-bu Omda om-deh Omega ome-ga Omegatron omega-tron Omenta omen-tum Omertà omer-tà Omission omis-sion Omissive omis-sive Omiya omi-ya Omnist om-nist Omolon omo-lon Omoplate omo-plate Omosternum omo-sternum Omrah om-rah Omura omu-ra Onanism onan-ism Onboard on-board Oncer onc-er Ondine on-dine Onding on-ding Onefold one-fold Onegite one-gite Oneida onei-da Oneiric onei-ric Oneness one-ness Oner on-er Onerous oner-ous Oneself one-self Onesie one-sie Onetime one-time Onge on-ge Ongole on-gole Onion on-ion Onions on-ions Oniscus onis-cus Onium oni-um Onkoi on-kos Online on-line Only on-ly Onmun on-mun Onocentaur ono-centaur Onomatope onoma-tope Ononis ono-nis Onrush on-rush Onset on-set Onshore on-shore Onside on-side Onslaught on-slaught
Two Syllable Words Syllables Onstage on-stage Onstead on-stead Onstream on-stream Ontic on-tic Onto on-to Onward on-ward Onyx on-yx Onza on-za Oobleck oo-bleck Oocapt oo-capt Oocyst oo-cyst Oocyte oo-cyte Oodles oo-dles Ooecial ooe-cial Oofs oof-tish Oogamete oo-gamete Ooglea oo-glea Ookineses oo-kinesis Ookinetic oo-kinetic Oolite oo-lite Oolong oo-long Ooman oom-an Oompah oom-pah Oomycete oo-mycete Oopack oo-pak Oophore oo-phore Oophyte oo-phyte Ooplast oo-plast Oopod oo-pod Ooporphyrin oo-porphyrin Ooscope oo-scope Oosome oo-some Oosperm oo-sperm Oosphere oo-sphere Oospore oo-spore Oostende ost-end Ootid oo-tid Oozooid oo-zooid Opacate opa-cate Opacous opa-cous Opalesce opal-esce Opalesque opal-esque Opaline opal-ine Opalinid opa-linid Opalize opal-ize Opaloid opal-oid Opata opa-ta Opelet ope-let Opelu ope-lu Opencast open-cast Opener open-er Opening open-ing Openwork open-work Opepe ope-pe Opera op-era
Two Syllable Words Syllables Opercle oper-cle Opercled oper-cled Ophelia ophe-lia Ophian ophi-an Ophicleide ophi-cleide Ophidia ophid-ia Ophion ophi-on Ophiopluteus ophio-pluteus Ophitic ophit-ic Ophiura ophi-ura Ophiurae ophi-urae Ophiuran ophi-uran Ophiurid ophi-urid Opiate opi-ate Opihi opi-hi Opilia opil-ia Opiner opin-er Opinion opin-ion Opioid opi-oid Opiophile opio-phile Opium opi-um Opole opo-le Oporto por-to Opossum opos-sum Oppo op-po Oppose op-pose Opposed op-posed Oppress op-press Oppressed op-pressed Oppugn op-pugn Oprichnik oprich-nik Opry op-ry Opsin op-sin Optant op-tant Optate op-tate Optic op-tic Optics op-tics Option op-tion Optive op-tive Opuntia opun-tia Opuscule opus-cule Oquassa oquas-sa Orach or-ache Oracy ora-cy Oradea ora-dea Oraler oral-er Oralism oral-ism Orally oral-ly Orange or-ange Oranian oran-ian Oraon ora-on Oration ora-tion Orbic or-bic Orbit or-bit Orbless orb-less
Two Syllable Words Syllables Orca or-ca Orchard or-chard Orchid or-chid Orchis or-chis Orcin or-cin Orczy or-czy Ordain or-dain Ordeal or-deal Order or-der Ordered or-dered Ordines or-do Ordnance ord-nance Ordnung ord-nung Ordre or-dre Ordure or-dure Oread ore-ad Orejones ore-jón Oreless ore-less Orenburg oren-burg Orenda oren-da Orense oren-se Oreo or-eo Oreodon ore-odon Oreodont ore-odont Oreodoxa oreo-doxa Orestes ores-tes Orfgild orf-gild Organ or-gan Orgasm or-gasm Orgeat or-geat Orgia or-gia Orgies or-gy Orgone or-gone Orhon or-hon Orient ori-ent Oriflamme ori-flamme Orihon ori-hon Orillia oril-lia Orillion oril-lon Orinasal ori-nasal Oriole ori-ole Orion ori-on Orisha ori-sha Oriya ori-ya Orkneyan ork-ney Orlean or-lean Orlo or-lo Orloff or-loff Orlon or-lon Orly or-ly Ormazd or-mazd Ormer or-mer Ormuz hor-muz Ornate or-nate Ornerier or-nery
Two Syllable Words Syllables Ornis or-nis Oroanal oro-anal Orobathymetric oro-bathymetric Orochi oro-chi Orogen oro-gen Orograph oro-graph Orohydrographic oro-hydrographic Orohydrography oro-hydrography Orohydrologic oro-hydrologic Orohydrology oro-hydrology Oroide oro-ide Oroke oro-ke Oromo oro-mo Oronchon oron-chon Orontes oron-tes Orophyte oro-phyte Orosius oro-sius Orotund oro-tund Orozco oroz-co Orphan or-phan Orpheus or-pheus Orphic or-phic Orphism or-phism Orphist or-phist Orphrey or-phrey Orpine or-pine Orpit or-pit Orra or-ra Orreries or-rery Orris or-ris Orseille or-seille Ortet or-tet Orthal or-thal Orthic or-thic Orthid or-thid Orthis or-this Orthite or-thite Ortho or-tho Orthron or-thros Ortler ort-les Ortstein ort-stein Oruro oru-ro Orwell or-well Oryza ory-za Orzo or-zo Osaka osa-ka Osasco osas-co Osborn os-born Osborne os-borne Oscan os-can Oscar os-car Oscine os-cine Oscule os-cule Osetra oset-ra Oshkosh osh-kosh
Two Syllable Words Syllables Oside -o-side Osiered osi-ered Osijek osi-jek Osiride osi-ride Osiris osi-ris Osirism osi-rism Osler os-ler Oslo os-lo Osmatic os-matic Osmia os-mia Osmic os-mic Osmol os-mol Osmose os-mose Osmous os-mous Osmund os-mund Osoberry oso-berry Osorno osor-no Osotriazole oso-triazole Osprey os-prey Osset os-sete Ossia os-sia Ostent os-tent Ostia os-tia Ostler os-tler Ostmark ost-mark Ostmen ost-men Ostrava ostra-va Ostrea os-trea Ostrich os-trich Ostrya os-trya Ostwald ost-wald Otacoustic ot-acoustic Otaku ota-ku Otaria otar-ia Otary ota-ry Otate ota-te Otavite ota-vite Othello othel-lo Other oth-er Othonna othon-na Otiose oti-ose Otitid otit-id Otitis oti-tis Otocyst oto-cyst Otolite oto-lite Otolith oto-lith Otomac oto-mac Otomi oto-mi Otosalpinges oto-salpinx Otoscope oto-scope Otoses oto-sis Otranto otran-to Otter ot-ter Otto ot-to Otuke otu-ke
Two Syllable Words Syllables Otway ot-way Ouabain oua-bain Ouabaio oua-baio Ouargla ouar-gla Oubangui uban-gi Oudjda ouj-da Oudtshoorn oudts-hoorn Oughtlins ought-lins Oughtness ought-ness Ouija oui-ja Oulu ou-lu Ourie ou-rie Oursel our-sel Ourself our-self Oursels our-sels Ourselves our-selves Ousel ou-sel Oushak ou-shak Ousia ou-sia Ouster oust-er Outachieve out-achieve Outact out-act Outage out-age Outarde ou-tarde Outate out-eat Outback out-back Outbid out-bid Outbluff out-bluff Outboard out-board Outbought out-buy Outbound out-bound Outbox out-box Outbrag out-brag Outbrave out-brave Outbrawl out-brawl Outbreak out-break Outbreathed out-breathed Outbred out-breed Outbulk out-bulk Outburst out-burst Outby out-bye Outcast out-cast Outcaste out-caste Outcatch out-catch Outclass out-class Outclimb out-climb Outcoach out-coach Outcome out-come Outcrop out-crop Outcross out-cross Outcry out-cry Outdance out-dance Outdid out-do Outdoor out-door Outdoors out-doors
Two Syllable Words Syllables Outdoorsy out-doorsy Outdrag out-drag Outdrank out-drink Outdraw out-draw Outdress out-dress Outdrive out-drive Outduel out-duel Outearn out-earn Outen out-en Outer out-er Outface out-face Outfall out-fall Outfield out-field Outfight out-fight Outfish out-fish Outfit out-fit Outflank out-flank Outflew out-fly Outflow out-flow Outfoot out-foot Outfox out-fox Outgain out-gain Outgame out-game Outgang out-gang Outgas out-gas Outgate out-gate Outgo out-go Outgrew out-grow Outgross out-gross Outgrowth out-growth Outguess out-guess Outgun out-gun Outhaul out-haul Outher outh-er Outhit out-hit Outhouse out-house Outhunt out-hunt Outie out-ie Outing out-ing Outjump out-jump Outkick out-kick Outkill out-kill Outlaid out-lay Outland out-land Outlast out-last Outlaw out-law Outleap out-leap Outlearn out-learn Outler out-ler Outlet out-let Outline out-line Outlive out-live Outlook out-look Outman out-man Outmarch out-march
Two Syllable Words Syllables Outmatch out-match Outmode out-mode Outmost out-most Outness out-ness Outpace out-pace Outpass out-pass Outpitch out-pitch Outplay out-play Outplot out-plot Outpoint out-point Outpoll out-poll Outport out-port Outpost out-post Outpour out-pour Outpray out-pray Outpreach out-preach Outprice out-price Outpull out-pull Outpunch out-punch Output out-put Outrace out-race Outrage out-rage Outran out-run Outrance ou-trance Outrange out-range Outrank out-rank Outrate out-rate Outray ou-tray Outreach out-reach Outridden out-ride Outrig out-rig Outright out-right Outro out-ro Outroar out-roar Outrow out-row Outrush out-rush Outré ou-tré Outsail out-sail Outsang out-sing Outsat out-sit Outscheme out-scheme Outscoop out-scoop Outscore out-score Outsell out-sell Outsert out-sert Outset out-set Outshine out-shine Outshoot out-shoot Outshout out-shout Outside out-side Outsight out-sight Outsize out-size Outskate out-skate Outskirt out-skirt Outslick out-slick
Two Syllable Words Syllables Outsmart out-smart Outsoar out-soar Outsole out-sole Outsource out-source Outspeak out-speak Outsped out-speed Outspend out-spend Outspent out-spent Outspread out-spread Outsprint out-sprint Outstand out-stand Outstare out-stare Outstay out-stay Outstreat out-streat Outstretch out-stretch Outstridden out-stride Outstrip out-strip Outswam out-swim Outswear out-swear Outtake out-take Outtalk out-talk Outthink out-think Outthrew out-throw Outtrade out-trade Outturn out-turn Outvie out-vie Outvote out-vote Outwait out-wait Outwale out-wale Outwalk out-walk Outward out-ward Outwash out-wash Outwatch out-watch Outwear out-wear Outweigh out-weigh Outwit out-wit Outwith out-with Outwork out-work Outworn out-worn Outwrit out-write Outyell out-yell Outyield out-yield Ouvert ou-vert Ouzel ou-zel Ouzo ou-zo Ovaloid oval-oid Ovambo ovam-bo Ovaries ova-ry Ovation ova-tion Oven ov-en Overact over-act Overage over-age Overalert over-alert Overall over-all Overalled over-alled
Two Syllable Words Syllables Overarm over-arm Overate over-eat Overawe over-awe Overbake over-bake Overbaked over-baked Overbear over-bear Overbeat over-beat Overberg over-berg Overbid over-bid Overbill over-bill Overbite over-bite Overbleach over-bleach Overblouse over-blouse Overblown over-blown Overboard over-board Overboil over-boil Overbold over-bold Overbook over-book Overbought over-bought Overbred over-breed Overbrief over-brief Overbright over-bright Overbroad over-broad Overbrowse over-browse Overbuild over-build Overburn over-burn Overbusy over-busy Overbuy over-buy Overcall over-call Overcame over-come Overcast over-cast Overcharge over-charge Overchill over-chill Overclaim over-claim Overclass over-class Overclean over-clean Overclear over-clear Overclock over-clock Overcloud over-cloud Overcoach over-coach Overcoat over-coat Overcompound over-compound Overcook over-cook Overcool over-cool Overcount over-count Overcrowd over-crowd Overcure over-cure Overcut over-cut Overden over-den Overdid over-do Overdog over-dog Overdosage over-dose Overdraft over-draft Overdrank over-drink Overdraw over-draw
Two Syllable Words Syllables Overdrawn over-drawn Overdress over-dress Overdried over-dry Overdrive over-drive Overdub over-dub Overdue over-due Overemote over-emote Overequipped over-equipped Overfat over-fat Overfed over-feed Overfill over-fill Overfish over-fish Overflew over-fly Overflight over-flight Overflow over-flow Overfond over-fond Overfund over-fund Overfussy over-fussy Overglaze over-glaze Overgraze over-graze Overgrew over-grow Overgrown over-grown Overhand over-hand Overhang over-hang Overhasty over-hasty Overhaul over-haul Overhead over-head Overhear over-hear Overheat over-heat Overhunt over-hunt Overhype over-hype Overinsured over-insured Overintricate over-intricate Overite over-ite Overjoyed over-joyed Overkill over-kill Overlade over-lade Overlaid over-lay Overlain over-lie Overland over-land Overlap over-lap Overlarge over-large Overleaf over-leaf Overleap over-leap Overlearn over-learn Overlend over-lend Overlength over-length Overlight over-light Overload over-load Overlong over-long Overlook over-look Overlooked over-looked Overlord over-lord Overloud over-loud Overlush over-lush
Two Syllable Words Syllables Overly over-ly Overman over-man Overmatch over-match Overmighty over-mighty Overmilk over-milk Overmine over-mine Overmix over-mix Overmost over-most Overmuch over-much Overnice over-nice Overnight over-night Overorganization over-organization Overornate over-ornate Overpaid over-pay Overpass over-pass Overplaid over-plaid Overplan over-plan Overplant over-plant Overplay over-play Overplot over-plot Overplus over-plus Overpraise over-praise Overprice over-price Overprint over-print Overprize over-prize Overproof over-proof Overpump over-pump Overran over-run Overrank over-rank Overrate over-rate Overreach over-reach Overrich over-rich Overridden over-ride Overripe over-ripe Overrule over-rule Oversalt over-salt Oversauce over-sauce Oversaw over-see Overscale over-scale Oversea over-sea Overseas over-seas Overseed over-seed Overseer over-seer Oversell over-sell Overserve over-serve Overserved over-served Overset over-set Oversexed over-sexed Overshare over-share Overshirt over-shirt Overshoe over-shoe Overshoot over-shoot Overshot over-shot Oversight over-sight Oversize over-size
Two Syllable Words Syllables Overskirt over-skirt Overslaugh over-slaugh Oversleep over-sleep Overslip over-slip Oversman overs-man Oversmoke over-smoke Oversold over-sold Oversoul over-soul Overspend over-spend Overspill over-spill Overspread over-spread Overstaff over-staff Overstate over-state Overstay over-stay Oversteer over-steer Overstep over-step Overstock over-stock Overstored over-stored Overstrain over-strain Overstress over-stress Overstretch over-stretch Overstrew over-strew Overstridden over-stride Overstrung over-strung Overstuff over-stuff Oversweet over-sweet Overswing over-swing Overtake over-take Overtalk over-talk Overtax over-tax Overthin over-thin Overthink over-think Overthrew over-throw Overtime over-time Overtip over-tip Overtired over-tired Overtly overt-ly Overtone over-tone Overtop over-top Overtrade over-trade Overtrain over-train Overtreat over-treat Overtrick over-trick Overtrump over-trump Overture over-ture Overturn over-turn Overuse over-use Overview over-view Overwear over-wear Overween over-ween Overweigh over-weigh Overweight over-weight Overwhelm over-whelm Overwhelmed over-whelmed Overwind over-wind
Two Syllable Words Syllables Overwork over-work Overwrite over-write Overwrought over-wrought Ovibos ovi-bos Ovicapsule ovi-capsule Ovicell ovi-cell Ovicidal ovi-cide Ovicyst ovi-cyst Ovid ov-id Ovidae ovi-dae Oviduct ovi-duct Oviedo ovie-do Oviger ovi-ger Oviscapt ovi-scapt Ovispermary ovi-spermary Ovistic ovis-tic Ovolo ovo-lo Ovonic ovon-ics Ovotesticular ovo-testicular Ovula ovu-la Ovulary ovu-lary Ovulate ovu-late Ovulist ovu-list Ovulum ovu-lum Owen ow-en Owenia owe-nia Owens ow-ens Ower ow-er Owie ow-ie Owing ow-ing Owler ow-ler Owlery owl-ery Owlet owl-et Owling owl-ing Owlish owl-ish Owner own-er Ownhood own-hood Ownness own-ness Owyhee owy-hee Oxadiazole oxa-diazole Oxaldehyde ox-aldehyde Oxamate ox-amate Oxamide ox-amide Oxanilide ox-anilide Oxblood ox-blood Oxbow ox-bow Oxbridge ox-bridge Oxcart ox-cart Oxer ox-er Oxeye ox-eye Oxfam ox-fam Oxford ox-ford Oxgang ox-gang Oxheart ox-heart Oxide ox-ide
Two Syllable Words Syllables Oxime ox-ime Oxlip ox-lip Oxman ox-man Oxnard ox-nard Oxskin ox-skin Oxtail ox-tail Oxter ox-ter Oxtongue ox-tongue Oxus amu Oxybiotic oxy-biotic Oxycalcium oxy-calcium Oxycellulose oxy-cellulose Oxycyanide oxy-cyanide Oxyfluoride oxy-fluoride Oxygas oxy-gas Oxyhalide oxy-halide Oxyhemocyanin oxy-hemocyanin Oxyhexactine oxy-hexactine Oxyhexaster oxy-hexaster Oxyluciferin oxy-luciferin Oxyluminescence oxy-luminescence Oxyluminescent oxy-luminescent Oxymuriate oxy-muriate Oxymuriatic oxy-muriatic Oxyn ox-yn Oxynitrate oxy-nitrate Oxyopia oxy-opia Oxypetalous oxy-petalous Oxyrhynch oxy-rhynch Oxysulfide oxy-sulfide Oxytylotate oxy-tylotate Oxytylote oxy-tylote Oxyuroid oxy-uroid Oyer oy-er Oylet oy-let Oyrot al-tay Oyster oys-ter Oystered oys-tered Oystery oys-tery Ozanna ozan-na Ozoner ozon-er Ozonide ozon-ide Ozonization ozon-ize Ozonous ozon-ous Ozotype ozo-type
