conservatism vs conservativism

conservatism and conservativism both are nouns.

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

As nouns, conservatism and conservativism are synonyms defined as:

conservatism and conservativism: a political or theological orientation advocating the preservation of the best in society and opposing radical changes

conservatism (noun)	conservativism (noun)
a political or theological orientation advocating the preservation of the best in society and opposing radical changes	a political or theological orientation advocating the preservation of the best in society and opposing radical changes