man-about-town vs Corinthian

man-about-town and Corinthian both are nouns.

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

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

Other synonyms of man-about-town include playboy.

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