revolutionist vs revolutionary

revolutionist and revolutionary both are nouns.

Word	Noun	Adjective	Verb	Adverb
revolutionist	Yes	No	No	No
revolutionary	Yes	Yes	No	No

As nouns, revolutionist and revolutionary are synonyms defined as:

revolutionist and revolutionary: a radical supporter of political or social revolution

Other synonyms of revolutionist include subversive, subverter.

revolutionist (noun)	revolutionary (noun)
a radical supporter of political or social revolution	a radical supporter of political or social revolution

revolutionist (adjective)	revolutionary (adjective)
	advocating or engaged in revolution
	relating to or having the nature of a revolution
	of or relating to or characteristic or causing an axial or orbital turn
	markedly new or introducing radical change