reactionism vs ideology

reactionism and ideology both are nouns.

Word	Noun	Adjective	Verb	Adverb
reactionism	Yes	No	No	No
ideology	Yes	No	No	No

As nouns, ideology is a hypernym of reactionism; that is, ideology is a word with a broader meaning than reactionism:

reactionism: the political orientation of reactionaries
ideology: an orientation that characterizes the thinking of a group or nation

Other hypernyms of reactionism include political orientation, political theory.

reactionism (noun)	ideology (noun)
the political orientation of reactionaries	an orientation that characterizes the thinking of a group or nation
	imaginary or visionary theorization