aperture vs eye

aperture and eye both are nouns.

Word	Noun	Adjective	Verb	Adverb
aperture	Yes	No	No	No
eye	Yes	No	Yes	No

aperture (noun)	eye (noun)
an man-made opening; usually small	a small hole or loop (as in a needle)
a device that controls amount of light admitted	the organ of sight
a natural opening in something	good discernment (either visually or as if visually)
	attention to what is seen
	an area that is approximately central within some larger region

aperture (verb)	eye (verb)
	look at