chitchat vs shoot the breeze

chitchat is a noun but shoot the breeze is not a noun.

Word	Noun	Adjective	Verb	Adverb
chitchat	Yes	No	Yes	No
shoot the breeze	No	No	Yes	No

As verbs, chitchat and shoot the breeze are synonyms defined as:

chitchat and shoot the breeze: talk socially without exchanging too much information

Other synonyms of chitchat include chaffer, chat, chatter, chew the fat, chit-chat, claver, confab, confabulate, gossip, jaw, natter, visit.

chitchat (noun)	shoot the breeze (noun)
light informal conversation for social occasions

chitchat (verb)	shoot the breeze (verb)
talk socially without exchanging too much information	talk socially without exchanging too much information