sneaker vs blabber

sneaker and blabber both are nouns.

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

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

sneaker: 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 sneaker include betrayer, informer, rat, squealer.

sneaker (noun)	blabber (noun)
a canvas shoe with a pliable rubber sole	one who reveals confidential information to the police or other authority
someone acting as an informer or decoy for the police

sneaker (verb)	blabber (verb)
	speak (about unimportant matters) rapidly and incessantly