Holy Year vs Roman Catholic

Holy Year and Roman Catholic both are nouns.

Word	Noun	Adjective	Verb	Adverb
Holy Year	Yes	No	No	No
Roman Catholic	Yes	Yes	No	No

Holy Year (noun)	Roman Catholic (noun)
(Roman Catholic Church) a period of remission from sin (usually granted every 25 years)	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
	a member of the Roman Catholic Church

Holy Year (adjective)	Roman Catholic (adjective)
	of or relating to or supporting Romanism