room vs gathering

room and gathering both are nouns.

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

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

Other hypernyms of room include assemblage.

room (noun)	gathering (noun)
an area within a building enclosed by walls and floor and ceiling	the social act of assembling
the people who are present in a room	the act of gathering something
space for movement	sewing consisting of small folds or puckers made by pulling tight a thread in a line of stitching
opportunity for	a group of persons together in one place

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