house decorator vs decorator

house decorator and decorator both are nouns.

Word	Noun	Adjective	Verb	Adverb
house decorator	Yes	No	No	No
decorator	Yes	No	No	No

As nouns, house decorator and decorator are synonyms defined as:

house decorator and decorator: a person who specializes in interior decoration

Other synonyms of house decorator include interior decorator, room decorator.

house decorator (noun)	decorator (noun)
a person who specializes in interior decoration	someone who decorates
	a person who specializes in interior decoration