gab vs gossip

gab and gossip both are nouns.

Word	Noun	Adjective	Verb	Adverb
gab	Yes	No	Yes	No
gossip	Yes	No	Yes	No

As nouns, gab and gossip are synonyms defined as:

gab (noun)	gossip (noun)
light informal conversation for social occasions	light informal conversation for social occasions
	a report (often malicious) about the behavior of other people
	a person given to gossiping and divulging personal information about others

gab (verb)	gossip (verb)
talk profusely	wag one's tongue; speak about others and reveal secrets or intimacies
	talk socially without exchanging too much information