confirmation vs confirm

confirmation is a noun but confirm is not a noun.

Word	Noun	Adjective	Verb	Adverb
confirmation	Yes	No	No	No
confirm	No	No	Yes	No

confirmation (noun)	confirm (noun)
a sacrament admitting a baptized person to full participation in the church
a ceremony held in the synagogue (usually at Pentecost) to admit as adult members of the Jewish community young men and women who have successfully completed a course of study in Judaism
additional proof that something that was believed (some fact or hypothesis or theory) is correct
information that confirms or verifies
making something valid by formally ratifying or confirming it

confirmation (verb)	confirm (verb)
	make more firm
	establish or strengthen as with new evidence or facts
	strengthen or make more firm
	administer the rite of confirmation to
	support a person for a position