acculturative vs acculturation

acculturative is not a noun while acculturation is a noun.

Word	Noun	Adjective	Verb	Adverb
acculturative	No	Yes	No	No
acculturation	Yes	No	No	No

acculturative (noun)	acculturation (noun)
	the adoption of the behavior patterns of the surrounding culture
	all the knowledge and values shared by a society
	the process of assimilating new ideas into an existing cognitive structure

acculturative (adjective)	acculturation (adjective)
of or relating to acculturation