majority rule vs ism

majority rule and ism both are nouns.

Word	Noun	Adjective	Verb	Adverb
majority rule	Yes	No	No	No
ism	Yes	No	No	No

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

majority rule: the doctrine that the numerical majority of an organized group can make decisions binding on the whole group
ism: a belief (or system of beliefs) accepted as authoritative by some group or school

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

majority rule (noun)	ism (noun)
the doctrine that the numerical majority of an organized group can make decisions binding on the whole group	a belief (or system of beliefs) accepted as authoritative by some group or school