confession vs Church of Rome

confession and Church of Rome both are nouns.

Word	Noun	Adjective	Verb	Adverb
confession	Yes	No	No	No
Church of Rome	Yes	No	No	No

confession (noun)	Church of Rome (noun)
(Roman Catholic Church) the act of a penitent disclosing his sinfulness before a priest in the sacrament of penance in the hope of absolution	the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy
an admission of misdeeds or faults
a written document acknowledging an offense and signed by the guilty party
a public declaration of your faith
the document that spells out the belief system of a given church (especially the Reformation churches of the 16th century)