housebreaker vs burglar

housebreaker and burglar both are nouns.

Word	Noun	Adjective	Verb	Adverb
housebreaker	Yes	No	No	No
burglar	Yes	No	No	No

As nouns, burglar is a hypernym of housebreaker; that is, burglar is a word with a broader meaning than housebreaker:

housebreaker: a burglar who unlawfully breaks into and enters another person's house
burglar: a thief who enters a building with intent to steal

housebreaker (noun)	burglar (noun)
a burglar who unlawfully breaks into and enters another person's house	a thief who enters a building with intent to steal
a wrecker of houses