humanism vs humanitarianism

humanism and humanitarianism both are nouns.

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

As nouns, humanism and humanitarianism are synonyms defined as:

humanism and humanitarianism: the doctrine that people's duty is to promote human welfare

humanism (noun)	humanitarianism (noun)
the doctrine emphasizing a person's capacity for self-realization through reason; rejects religion and the supernatural	the doctrine that people's duty is to promote human welfare
the doctrine that people's duty is to promote human welfare
the cultural movement of the Renaissance; based on classical studies