housebreaking vs break-in

housebreaking and break-in both are nouns.

Word	Noun	Adjective	Verb	Adverb
housebreaking	Yes	No	No	No
break-in	Yes	No	No	No

As nouns, housebreaking and break-in are synonyms defined as:

housebreaking and break-in: trespassing for an unlawful purpose; illegal entrance into premises with criminal intent

Other synonyms of housebreaking include breaking and entering.

housebreaking (noun)	break-in (noun)
trespassing for an unlawful purpose; illegal entrance into premises with criminal intent	trespassing for an unlawful purpose; illegal entrance into premises with criminal intent