fabrication vs manufacturing

fabrication and manufacturing both are nouns.

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

As nouns, fabrication and manufacturing are synonyms defined as:

fabrication and manufacturing: the act of making something (a product) from raw materials

Other synonyms of fabrication include manufacture.

fabrication (noun)	manufacturing (noun)
the act of making something (a product) from raw materials	the act of making something (a product) from raw materials
the act of constructing something (as a piece of machinery)
writing in a fictional form
the deliberate act of deviating from the truth
a deliberately false or improbable account