city center vs eye

city center and eye both are nouns.

Word	Noun	Adjective	Verb	Adverb
city center	Yes	No	No	No
eye	Yes	No	Yes	No

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

Other hypernyms of city center include center, centre, heart, middle.

city center (noun)	eye (noun)
the central part of a city	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

city center (verb)	eye (verb)
	look at