chime in vs break in

chime in and break in both are verbs.

Word	Noun	Adjective	Verb	Adverb
chime in	No	No	Yes	No
break in	No	No	Yes	No

As verbs, chime in and break in are synonyms defined as:

Other synonyms of chime in include barge in, butt in, chisel in, cut in, put in.

chime in (verb)	break in (verb)
break into a conversation	make submissive, obedient, or useful
	break so as to fall inward
	start in a certain activity, enterprise, or role
	break into a conversation
	intrude on uninvited
	enter someone's (virtual or real) property in an unauthorized manner, usually with the intent to steal or commit a violent act