fabrication vs building

fabrication and building both are nouns.

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

As nouns, building is a hypernym of fabrication; that is, building is a word with a broader meaning than fabrication:

Other hypernyms of fabrication include construction.

fabrication (noun)	building (noun)
the act of making something (a product) from raw materials	the act of constructing something
the act of constructing something (as a piece of machinery)	the commercial activity involved in repairing old structures or constructing new ones
writing in a fictional form	a structure that has a roof and walls and stands more or less permanently in one place
the deliberate act of deviating from the truth	the occupants of a building
a deliberately false or improbable account