ideology vs political theory

ideology and political theory both are nouns.

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

As nouns, ideology and political theory are synonyms defined as:

ideology and political theory: an orientation that characterizes the thinking of a group or nation

Other synonyms of ideology include political orientation.

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