Buddhism vs Buddhistic

Buddhism is a noun but Buddhistic is not a noun.

Word	Noun	Adjective	Verb	Adverb
Buddhism	Yes	No	No	No
Buddhistic	No	Yes	No	No

Buddhism (noun)	Buddhistic (noun)
the teaching of Buddha that life is permeated with suffering caused by desire, that suffering ceases when desire ceases, and that enlightenment obtained through right conduct and wisdom and meditation releases one from desire and suffering and rebirth
a religion represented by the many groups (especially in Asia) that profess various forms of the Buddhist doctrine and that venerate Buddha

Buddhism (adjective)	Buddhistic (adjective)
	of or relating to or supporting Buddhism