passivism vs school of thought

passivism and school of thought both are nouns.

Word	Noun	Adjective	Verb	Adverb
passivism	Yes	No	No	No
school of thought	Yes	No	No	No

As nouns, school of thought is a hypernym of passivism; that is, school of thought is a word with a broader meaning than passivism:

passivism: the doctrine that all violence is unjustifiable
school of thought: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of passivism include doctrine, ism, philosophical system, philosophy.

passivism (noun)	school of thought (noun)
the doctrine that all violence is unjustifiable	a belief (or system of beliefs) accepted as authoritative by some group or school