revolution vs revolutionist

revolution and revolutionist both are nouns.

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

revolution (noun)	revolutionist (noun)
the overthrow of a government by those who are governed	a radical supporter of political or social revolution
a single complete turn (axial or orbital)
a drastic and far-reaching change in ways of thinking and behaving