creationism vs ism

creationism and ism both are nouns.

Word	Noun	Adjective	Verb	Adverb
creationism	Yes	No	No	No
ism	Yes	No	No	No

As nouns, ism is a hypernym of creationism; that is, ism is a word with a broader meaning than creationism:

creationism: the literal belief in the account of Creation given in the Book of Genesis
ism: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of creationism include doctrine, philosophical system, philosophy, school of thought.

creationism (noun)	ism (noun)
the literal belief in the account of Creation given in the Book of Genesis	a belief (or system of beliefs) accepted as authoritative by some group or school