flicker vs motility

flicker and motility both are nouns.

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

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

Other hypernyms of flicker include motion, move, movement.

flicker (noun)	motility (noun)
the act of moving back and forth	a change of position that does not entail a change of location
North American woodpecker	ability to move spontaneously and independently
a momentary flash of light

flicker (verb)	motility (verb)
move back and forth very rapidly
flash intermittently
shine unsteadily