motile vs percipient

motile and percipient both are nouns.

Word	Noun	Adjective	Verb	Adverb
motile	Yes	Yes	No	No
percipient	Yes	Yes	No	No

As nouns, percipient is a hypernym of motile; that is, percipient is a word with a broader meaning than motile:

motile: one whose prevailing mental imagery takes the form of inner feelings of action
percipient: a person who becomes aware (of things or events) through the senses

Other hypernyms of motile include beholder, observer, perceiver.

motile (noun)	percipient (noun)
one whose prevailing mental imagery takes the form of inner feelings of action	a person who becomes aware (of things or events) through the senses

motile (adjective)	percipient (adjective)
(of spores or microorganisms) capable of movement	characterized by ease and quickness in perceiving