claver vs confab

claver is not a noun while confab is a noun.

Word	Noun	Adjective	Verb	Adverb
claver	No	No	Yes	No
confab	Yes	No	Yes	No

As verbs, claver and confab are synonyms defined as:

claver and confab: talk socially without exchanging too much information

claver (noun)	confab (noun)
	an informal conversation

claver (verb)	confab (verb)
talk socially without exchanging too much information	talk socially without exchanging too much information
	have a conference in order to talk something over