placebo vs Roman Church

placebo and Roman Church both are nouns.

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

placebo (noun)	Roman Church (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