prefabricate vs building

prefabricate is not a noun while building is a noun.

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

prefabricate (noun)	building (noun)
	the act of constructing something
	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

prefabricate (verb)	building (verb)
to manufacture sections of (a building), especially in a factory, so that they can be easily transported to and rapidly assembled on a building site of buildings
produce synthetically, artificially, or stereotypically and unoriginally