Corinth vs corinthian

Corinth is a noun but corinthian is not a noun.

Word	Noun	Adjective	Verb	Adverb
Corinth	Yes	No	No	No
corinthian	No	Yes	No	No

Corinth (noun)	corinthian (noun)
the modern Greek port near the site of the ancient city that was second only to Athens

Corinth (adjective)	corinthian (adjective)
	of or relating to or characteristic of Corinth or its inhabitants
	of or pertaining to the Corinthian style of architecture