profess vs professing

profess is not a noun while professing is a noun.

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

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

profess (verb)	professing (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