snitch vs give away

snitch is a noun but give away is not a noun.

Word	Noun	Adjective	Verb	Adverb
snitch	Yes	No	Yes	No
give away	No	No	Yes	No

As verbs, snitch and give away are synonyms defined as:

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

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

snitch (verb)	give away (verb)
give away information about somebody	make known to the public information that was previously known only to a few people or that was meant to be kept a secret
take by theft	give away information about somebody
	make a gift of
	formally hand over to the bridegroom in marriage; of a bride by her father