heist vs break in

heist is a noun but break in is not a noun.

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

heist (noun)	break in (noun)
the act of stealing
robbery at gunpoint

heist (verb)	break in (verb)
commit a burglary; enter and rob a dwelling	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