central city vs eye

central city and eye both are nouns.

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

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

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

central city (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

central city (verb)	eye (verb)
	look at