house-builder vs homebuilder

house-builder and homebuilder both are nouns.

Word	Noun	Adjective	Verb	Adverb
house-builder	Yes	No	No	No
homebuilder	Yes	No	No	No

As nouns, house-builder and homebuilder are synonyms defined as:

Other synonyms of house-builder include home-builder, housebuilder.

house-builder (noun)	homebuilder (noun)
someone who builds houses as a business	someone who builds houses as a business