snitch vs blabber

snitch and blabber both are nouns.

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

As nouns, blabber is a hypernym of snitch; that is, blabber is a word with a broader meaning than snitch:

snitch: someone acting as an informer or decoy for the police
blabber: one who reveals confidential information to the police or other authority

Other hypernyms of snitch include betrayer, informer, rat, squealer.

snitch (noun)	blabber (noun)
someone acting as an informer or decoy for the police	one who reveals confidential information to the police or other authority

snitch (verb)	blabber (verb)
give away information about somebody	speak (about unimportant matters) rapidly and incessantly
take by theft