dining room set vs suite

dining room set and suite both are nouns.

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

As nouns, suite is a hypernym of dining room set; that is, suite is a word with a broader meaning than dining room set:

dining room set (noun)	suite (noun)
a suite of furniture for the dining room	apartment consisting of a series of connected rooms used as a living unit (as in a hotel)
	a musical composition of several movements only loosely connected
	the group following and attending to some important person
	a matching set of furniture