snitch vs denounce

snitch is a noun but denounce is not a noun.

Word	Noun	Adjective	Verb	Adverb
snitch	Yes	No	Yes	No
denounce	No	No	Yes	No

As verbs, snitch and denounce are synonyms defined as:

Other synonyms of snitch include betray, give away, grass, rat, shit, shop, stag, tell on.

snitch (noun)	denounce (noun)
someone acting as an informer or decoy for the police

snitch (verb)	denounce (verb)
give away information about somebody	speak out against
take by theft	give away information about somebody
	announce the termination of, as of treaties
	to accuse or condemn or openly or formally or brand as disgraceful