confident vs confidence

confident is not a noun while confidence is a noun.

Word	Noun	Adjective	Verb	Adverb
confident	No	Yes	No	No
confidence	Yes	No	No	No

confident (noun)	confidence (noun)
	freedom from doubt; belief in yourself and your abilities
	a secret that is confided or entrusted to another
	a feeling of trust (in someone or something)
	a state of confident hopefulness that events will be favorable
	a trustful relationship

confident (adjective)	confidence (adjective)
having or marked by confidence or assurance
not liable to error in judgment or action
persuaded of; very sure