housebreaker vs cat burglar

housebreaker and cat burglar both are nouns.

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

As nouns, housebreaker and cat burglar are synonyms defined as:

housebreaker and cat burglar: a burglar who unlawfully breaks into and enters another person's house

housebreaker (noun)	cat burglar (noun)
a burglar who unlawfully breaks into and enters another person's house	a burglar who unlawfully breaks into and enters another person's house
a wrecker of houses