building vs interior door

building and interior door both are nouns.

Word	Noun	Adjective	Verb	Adverb
building	Yes	No	No	No
interior door	Yes	No	No	No

building (noun)	interior door (noun)
the act of constructing something	a door that closes off rooms within a building
the commercial activity involved in repairing old structures or constructing new ones
a structure that has a roof and walls and stands more or less permanently in one place
the occupants of a building