room vs dwell

room is a noun but dwell is not a noun.

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

As verbs, dwell is a hypernym of room; that is, dwell is a word with a broader meaning than room:

Other hypernyms of room include inhabit, live, populate.

room (noun)	dwell (noun)
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

room (verb)	dwell (verb)
live and take one's meals at or in	think moodily or anxiously about something
	come back to
	be an inhabitant of or reside in
	originate (in)
	exist or be situated within