solarium vs room

solarium and room both are nouns.

Word	Noun	Adjective	Verb	Adverb
solarium	Yes	No	No	No
room	Yes	No	Yes	No

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

solarium: a room enclosed largely with glass and affording exposure to the sun
room: an area within a building enclosed by walls and floor and ceiling

solarium (noun)	room (noun)
a room enclosed largely with glass and affording exposure to the sun	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

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