ultramontane vs ultramontanism

ultramontane and ultramontanism both are nouns.

Word	Noun	Adjective	Verb	Adverb
ultramontane	Yes	Yes	No	No
ultramontanism	Yes	No	No	No

ultramontane (noun)	ultramontanism (noun)
a Roman Catholic who advocates ultramontanism (supreme papal authority in matters of faith and discipline)	(Roman Catholic Church) the policy that the absolute authority of the church should be vested in the pope

ultramontane (adjective)	ultramontanism (adjective)
of or relating to ultramontanism
on the Italian or Roman side of the Alps
on or relating to or characteristic of the region or peoples beyond the Alps from Italy (or north of the Alps)