avowal vs profession

avowal and profession both are nouns.

Word	Noun	Adjective	Verb	Adverb
avowal	Yes	No	No	No
profession	Yes	No	No	No

As nouns, profession is a hyponym of avowal; that is, profession is a word with a more specific, narrower meaning than avowal:

Other hyponyms of avowal include reaffirmation, reassertion, professing, affirmative.

avowal (noun)	profession (noun)
a statement asserting the existence or the truth of something	an occupation requiring special education (especially in the liberal arts or sciences)
	an open avowal (true or false) of some belief or opinion
	affirmation of acceptance of some religion or faith
	the body of people in a learned occupation