retraction vs motility

retraction and motility both are nouns.

Word	Noun	Adjective	Verb	Adverb
retraction	Yes	No	No	No
motility	Yes	No	No	No

As nouns, motility is a hypernym of retraction; that is, motility is a word with a broader meaning than retraction:

Other hypernyms of retraction include motion, move, movement.

retraction (noun)	motility (noun)
the act of pulling or holding or drawing a part back	a change of position that does not entail a change of location
a disavowal or taking back of a previous assertion	ability to move spontaneously and independently