living room suite vs livingroom suite

living room suite and livingroom suite both are nouns.

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

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

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

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

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