specialist vs specialistic

specialist is a noun but specialistic is not a noun.

Word	Noun	Adjective	Verb	Adverb
specialist	Yes	No	No	No
specialistic	No	Yes	No	No

specialist (noun)	specialistic (noun)
an expert who is devoted to one occupation or branch of learning
practices one branch of medicine

specialist (adjective)	specialistic (adjective)
	of or related to or characteristic of specialists
	showing focused training