conservatism vs ideology

conservatism and ideology both are nouns.

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

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

conservatism: a political or theological orientation advocating the preservation of the best in society and opposing radical changes
ideology: an orientation that characterizes the thinking of a group or nation

Other hypernyms of conservatism include political orientation, political theory.

conservatism (noun)	ideology (noun)
a political or theological orientation advocating the preservation of the best in society and opposing radical changes	an orientation that characterizes the thinking of a group or nation
	imaginary or visionary theorization