internationalism vs philosophy

internationalism and philosophy both are nouns.

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

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

internationalism: the doctrine that nations should cooperate because their common interests are more important than their differences
philosophy: a belief (or system of beliefs) accepted as authoritative by some group or school

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

internationalism (noun)	philosophy (noun)
quality of being international in scope	the rational investigation of questions about existence and knowledge and ethics
the doctrine that nations should cooperate because their common interests are more important than their differences	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