humanitarianism vs philosophy

humanitarianism and philosophy both are nouns.

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

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

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

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

humanitarianism (noun)	philosophy (noun)
the doctrine that people's duty is to promote human welfare	the rational investigation of questions about existence and knowledge and ethics
	a belief (or system of beliefs) accepted as authoritative by some group or school
	any personal belief about how to live or how to deal with a situation