living room suite vs living room set

living room suite and living room set both are nouns.

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

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

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

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

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