eye vs central city

eye and central city both are nouns.

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

As nouns, central city is a hyponym of eye; that is, central city is a word with a more specific, narrower meaning than eye:

eye (noun)	central city (noun)
a small hole or loop (as in a needle)	the central part of a city
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

eye (verb)	central city (verb)
look at