livingroom set vs living room set

livingroom set and living room set both are nouns.

Word	Noun	Adjective	Verb	Adverb
livingroom set	Yes	No	No	No
living room set	Yes	No	No	No

As nouns, livingroom set and living room set are synonyms defined as:

livingroom set and living room set: a suite of furniture for the living room

Other synonyms of livingroom set include living-room set, living-room suite, living room suite, livingroom suite.

livingroom set (noun)	living room set (noun)
a suite of furniture for the living room	a suite of furniture for the living room