rumpus room vs recreation room

rumpus room and recreation room both are nouns.

Word	Noun	Adjective	Verb	Adverb
rumpus room	Yes	No	No	No
recreation room	Yes	No	No	No

As nouns, recreation room is a hypernym of rumpus room; that is, recreation room is a word with a broader meaning than rumpus room:

rumpus room: a recreation room for noisy activities (parties or children's play etc)
recreation room: a room equipped for informal entertaining

Other hypernyms of rumpus room include rec room.

rumpus room (noun)	recreation room (noun)
a recreation room for noisy activities (parties or children's play etc)	a room equipped for informal entertaining