compound eye vs eye

compound eye and eye both are nouns.

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

As nouns, eye is a hypernym of compound eye; that is, eye is a word with a broader meaning than compound eye:

compound eye: in insects and some crustaceans: composed of many light-sensitive elements each forming a portion of an image
eye: the organ of sight

Other hypernyms of compound eye include oculus, optic.

compound eye (noun)	eye (noun)
in insects and some crustaceans: composed of many light-sensitive elements each forming a portion of an image	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

compound eye (verb)	eye (verb)
	look at