abolitionism vs ism

abolitionism and ism both are nouns.

Word	Noun	Adjective	Verb	Adverb
abolitionism	Yes	No	No	No
ism	Yes	No	No	No

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

abolitionism: the doctrine that calls for the abolition of slavery
ism: a belief (or system of beliefs) accepted as authoritative by some group or school

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

abolitionism (noun)	ism (noun)
the doctrine that calls for the abolition of slavery	a belief (or system of beliefs) accepted as authoritative by some group or school