dance palace vs room

dance palace and room both are nouns.

Word	Noun	Adjective	Verb	Adverb
dance palace	Yes	No	No	No
room	Yes	No	Yes	No

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

dance palace (noun)	room (noun)
large room used mainly for dancing	an area within a building enclosed by walls and floor and ceiling
	the people who are present in a room
	space for movement
	opportunity for

dance palace (verb)	room (verb)
	live and take one's meals at or in