shipping room vs room

shipping room and room both are nouns.

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

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

shipping room (noun)	room (noun)
a room where goods are packaged and shipped	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

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