confess vs confession

confess is not a noun while confession is a noun.

Word	Noun	Adjective	Verb	Adverb
confess	No	No	Yes	No
confession	Yes	No	No	No

confess (noun)	confession (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
	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)

confess (verb)	confession (verb)
confess to a punishable or reprehensible deed, usually under pressure
admit (to a wrongdoing)
confess to God in the presence of a priest, as in the Catholic faith