break in vs stave in

break in and stave in both are verbs.

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

As verbs, stave in is a hyponym of break in; that is, stave in is a word with a more specific, narrower meaning than break in:

break in (verb)	stave in (verb)
make submissive, obedient, or useful	burst or force (a hole) into something
break so as to fall inward	break in the staves (of)
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