Corinthian vs man-about-town

Corinthian and man-about-town both are nouns.

Word	Noun	Adjective	Verb	Adverb
Corinthian	Yes	No	No	No
man-about-town	Yes	No	No	No

As nouns, Corinthian and man-about-town are synonyms defined as:

Other synonyms of Corinthian include playboy.

Corinthian (noun)	man-about-town (noun)
a resident of Corinth	a man devoted to the pursuit of pleasure
a man devoted to the pursuit of pleasure