neoclassicist vs neoclassicistic

neoclassicist is a noun but neoclassicistic is not a noun.

Word	Noun	Adjective	Verb	Adverb
neoclassicist	Yes	Yes	No	No
neoclassicistic	No	Yes	No	No

As adjectives, neoclassicist and neoclassicistic are synonyms defined as:

neoclassicist and neoclassicistic: relating to or advocating neoclassicism

neoclassicist (noun)	neoclassicistic (noun)
an advocate of neoclassicism

neoclassicist (adjective)	neoclassicistic (adjective)
relating to or advocating neoclassicism	relating to or advocating neoclassicism