rathole vs room

rathole and room both are nouns.

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

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

rathole (noun)	room (noun)
a small dirty uncomfortable room	an area within a building enclosed by walls and floor and ceiling
a hole (as in the wall of a building) made by rats	the people who are present in a room
	space for movement
	opportunity for

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