reformer vs reformist

reformer and reformist both are nouns.

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

As nouns, reformer and reformist are synonyms defined as:

Other synonyms of reformer include crusader, meliorist, social reformer.

reformer (noun)	reformist (noun)
an apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel	a disputant who advocates reform
a disputant who advocates reform

reformer (adjective)	reformist (adjective)
	favoring or promoting reform (often by government action)