socialistic vs socialist

socialistic is not a noun while socialist is a noun.

Word	Noun	Adjective	Verb	Adverb
socialistic	No	Yes	No	No
socialist	Yes	Yes	No	No

As adjectives, socialistic and socialist are synonyms defined as:

socialistic and socialist: advocating or following the socialist principles

socialistic (noun)	socialist (noun)
	a political advocate of socialism

socialistic (adjective)	socialist (adjective)
advocating or following the socialist principles	advocating or following the socialist principles