rightism vs political theory

rightism and political theory both are nouns.

Word	Noun	Adjective	Verb	Adverb
rightism	Yes	No	No	No
political theory	Yes	No	No	No

As nouns, political theory is a hypernym of rightism; that is, political theory is a word with a broader meaning than rightism:

rightism: the ideology of the political right; belief in or support of the tenets of the political right
political theory: an orientation that characterizes the thinking of a group or nation

Other hypernyms of rightism include ideology, political orientation.

rightism (noun)	political theory (noun)
the ideology of the political right; belief in or support of the tenets of the political right	an orientation that characterizes the thinking of a group or nation