eristic vs reformist

eristic and reformist both are nouns.

Word	Noun	Adjective	Verb	Adverb
eristic	Yes	Yes	No	No
reformist	Yes	Yes	No	No

As nouns, reformist is a hyponym of eristic; that is, reformist is a word with a more specific, narrower meaning than eristic:

eristic (noun)	reformist (noun)
the art of logical disputation (especially if specious)	a disputant who advocates reform
a person who disputes; who is good at or enjoys controversy

eristic (adjective)	reformist (adjective)
given to disputation for its own sake and often employing specious arguments	favoring or promoting reform (often by government action)