living room set vs livingroom suite

living room set and livingroom suite both are nouns.

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

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

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

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

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