penitent vs Roman Catholic Church

penitent and Roman Catholic Church both are nouns.

Word	Noun	Adjective	Verb	Adverb
penitent	Yes	Yes	No	No
Roman Catholic Church	Yes	No	No	No

penitent (noun)	Roman Catholic Church (noun)
(Roman Catholic Church) a person who repents for wrongdoing (a Roman Catholic may be admitted to penance under the direction of a confessor)	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy

penitent (adjective)	Roman Catholic Church (adjective)
feeling or expressing remorse for misdeeds