egalitarianism vs doctrine

egalitarianism and doctrine both are nouns.

Word	Noun	Adjective	Verb	Adverb
egalitarianism	Yes	No	No	No
doctrine	Yes	No	No	No

As nouns, doctrine is a hypernym of egalitarianism; that is, doctrine is a word with a broader meaning than egalitarianism:

egalitarianism: the doctrine of the equality of mankind and the desirability of political and economic and social equality
doctrine: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of egalitarianism include ism, philosophical system, philosophy, school of thought.

egalitarianism (noun)	doctrine (noun)
the doctrine of the equality of mankind and the desirability of political and economic and social equality	a belief (or system of beliefs) accepted as authoritative by some group or school