Only a handful of words ends in ‘xion.’ Here is a list of these words with their respective definition. Not all of these words are widely known. Therefore, there are a few ‘xion’ ending words in this list of which there’s no definition in the most popular dictionary.
The act of affixing : the state of being affixed.
A displacement forward of an organ (as the uterus) so that its axis is bent upon itself.
A hypothetical subatomic particle of low mass and energy that is postulated to exist because of certain properties of the strong force.
The combination of the hot, cold, moist, and dry qualities held in medieval physiology to determine the quality of a body; an individual complex of ways of thinking or feeling; a complex of attitudes and inclinations.
The crucifying of christ; the act of crucifying; extreme and painful punishment, affliction, or suffering.
Downflow; a flowing down of fluid matter (as a copious discharge from the nose in catarrh); inflammation.
Flexion in a dorsal direction; especially : flexion of the foot in an upward direction.
Something given off in or as if in a stream; effluence; a passing away : expiration.
The act of flexing or bending; a part bent : bend; inflection.
The action of flowing or changing; also : something subjected to such action; derivative.
To flex so that the angle between the bones of a joint is smaller than normal.
Inward flexion : an act or instance of introflexing.
A thessalian king bound by zeus to a burning wheel in tartarus for attempting to seduce hera.
A fixing or appointing beforehand : preappointment; the placing of a word or particle before and usually in combination with a word.
The state of being bent back; especially : the bending back of an organ (such as a uterus) upon itself; the act or process of bending back; retroflex articulation.
To hold motionless by or as if by piercing; to pierce through with or as if with a pointed weapon : impale.
The following words also end in xion; however, we couldn’t find definitions of these words from the Merriam-Webster dictionary.