professing vs profess

professing is a noun but profess is not a noun.

Word	Noun	Adjective	Verb	Adverb
professing	Yes	No	No	No
profess	No	No	Yes	No

professing (noun)	profess (noun)
an open avowal (true or false) of some belief or opinion

professing (verb)	profess (verb)
	practice as a profession, teach, or claim to be knowledgeable about
	take vows, as in religious order
	admit (to a wrongdoing)
	confess one's faith in, or allegiance to
	state insincerely
	receive into a religious order or congregation
	state freely