whorehouse vs house of ill repute

whorehouse and house of ill repute both are nouns.

Word	Noun	Adjective	Verb	Adverb
whorehouse	Yes	No	No	No
house of ill repute	Yes	No	No	No

As nouns, whorehouse and house of ill repute are synonyms defined as:

whorehouse and house of ill repute: a building where prostitutes are available

Other synonyms of whorehouse include bagnio, bawdyhouse, bordello, brothel, cathouse, house of prostitution, sporting house.

whorehouse (noun)	house of ill repute (noun)
a building where prostitutes are available	a building where prostitutes are available