building vs plumbing

building and plumbing both are nouns.

Word	Noun	Adjective	Verb	Adverb
building	Yes	No	No	No
plumbing	Yes	No	No	No

building (noun)	plumbing (noun)
the act of constructing something	measuring the depths of the oceans
the commercial activity involved in repairing old structures or constructing new ones	the occupation of a plumber (installing and repairing pipes and fixtures for water or gas or sewage in a building)
a structure that has a roof and walls and stands more or less permanently in one place	utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage
the occupants of a building