homebuilder vs constructor

homebuilder and constructor both are nouns.

Word	Noun	Adjective	Verb	Adverb
homebuilder	Yes	No	No	No
constructor	Yes	No	No	No

As nouns, constructor is a hypernym of homebuilder; that is, constructor is a word with a broader meaning than homebuilder:

homebuilder: someone who builds houses as a business
constructor: someone who contracts for and supervises construction (as of a building)

Other hypernyms of homebuilder include builder.

homebuilder (noun)	constructor (noun)
someone who builds houses as a business	someone who contracts for and supervises construction (as of a building)