human face vs eye

human face and eye both are nouns.

Word	Noun	Adjective	Verb	Adverb
human face	Yes	No	No	No
eye	Yes	No	Yes	No

human face (noun)	eye (noun)
the front of the human head from the forehead to the chin and ear to ear	a small hole or loop (as in a needle)
	the organ of sight
	good discernment (either visually or as if visually)
	attention to what is seen
	an area that is approximately central within some larger region

human face (verb)	eye (verb)
	look at