fundamentalism vs fundamentalistic

fundamentalism is a noun but fundamentalistic is not a noun.

Word	Noun	Adjective	Verb	Adverb
fundamentalism	Yes	No	No	No
fundamentalistic	No	Yes	No	No

fundamentalism (noun)	fundamentalistic (noun)
a form of Protestantism that takes the interpretation of every word in the sacred texts as literal truth
the strict adherence to the basic principles or doctrines of a religion, ideology, etc.

fundamentalism (adjective)	fundamentalistic (adjective)
	of or relating to or characteristic of Protestant fundamentalism or its adherents
	of or relating to or tending toward ideological fundamentalism