ultramontane vs transmontane

ultramontane is a noun but transmontane is not a noun.

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

ultramontane (noun)	transmontane (noun)
a Roman Catholic who advocates ultramontanism (supreme papal authority in matters of faith and discipline)

ultramontane (adjective)	transmontane (adjective)
of or relating to ultramontanism	on or coming from the other side of the mountains (from the speaker)
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)