Calvinistic vs Calvinist

Calvinistic is not a noun while Calvinist is a noun.

Word	Noun	Adjective	Verb	Adverb
Calvinistic	No	Yes	No	No
Calvinist	Yes	Yes	No	No

As adjectives, Calvinistic and Calvinist are synonyms defined as:

Calvinistic and Calvinist: of or relating to or characteristic of Calvinism or its adherents

Other synonyms of Calvinistic include Calvinistical.

Calvinistic (noun)	Calvinist (noun)
	an adherent of the theological doctrines of John Calvin

Calvinistic (adjective)	Calvinist (adjective)
of or relating to or characteristic of Calvinism or its adherents	of or relating to or characteristic of Calvinism or its adherents