gossip vs confabulation

gossip and confabulation both are nouns.

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

As nouns, confabulation is a hypernym of gossip; that is, confabulation is a word with a broader meaning than gossip:

Other hypernyms of gossip include chat, confab, schmoose, schmooze.

gossip (noun)	confabulation (noun)
light informal conversation for social occasions	(psychiatry) a plausible but imagined memory that fills in gaps in what is remembered
a report (often malicious) about the behavior of other people	an informal conversation
a person given to gossiping and divulging personal information about others

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