humanitarianism vs ism

humanitarianism and ism both are nouns.

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

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

humanitarianism: the doctrine that people's duty is to promote human welfare
ism: a belief (or system of beliefs) accepted as authoritative by some group or school

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

humanitarianism (noun)	ism (noun)
the doctrine that people's duty is to promote human welfare	a belief (or system of beliefs) accepted as authoritative by some group or school