boardroom vs room

boardroom and room both are nouns.

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

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

boardroom: a room where a committee meets (such as the board of directors of a company)
room: an area within a building enclosed by walls and floor and ceiling

boardroom (noun)	room (noun)
a room where a committee meets (such as the board of directors of a company)	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

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