living room set vs living room suite

living room set and living room suite both are nouns.

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

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

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

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

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