common vs Central Park

common and Central Park both are nouns.

Word	Noun	Adjective	Verb	Adverb
common	Yes	Yes	No	No
Central Park	Yes	No	No	No

common (noun)	Central Park (noun)
a piece of open land for recreational use in an urban area	a large park in Manhattan

common (adjective)	Central Park (adjective)
having no special distinction or quality; widely known or commonly encountered; average or ordinary or usual
belonging to or participated in by a community as a whole; public
commonly encountered
of low or inferior quality or value
being or characteristic of or appropriate to everyday language
of or associated with the great masses of people
to be expected; standard
common to or shared by two or more parties
lacking refinement or cultivation or taste