interior decorator vs house decorator

interior decorator and house decorator both are nouns.

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

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

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

Other synonyms of interior decorator include decorator, room decorator.

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