placebo vs Roman Catholic

placebo and Roman Catholic both are nouns.

Word	Noun	Adjective	Verb	Adverb
placebo	Yes	No	No	No
Roman Catholic	Yes	Yes	No	No

placebo (noun)	Roman Catholic (noun)
(Roman Catholic Church) vespers of the office for the dead	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
an innocuous or inert medication; given as a pacifier or to the control group in experiments on the efficacy of a drug	a member of the Roman Catholic Church

placebo (adjective)	Roman Catholic (adjective)
	of or relating to or supporting Romanism