fabrication vs falsification

fabrication and falsification both are nouns.

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

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

Other hypernyms of fabrication include misrepresentation.

fabrication (noun)	falsification (noun)
the act of making something (a product) from raw materials	the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting
the act of constructing something (as a piece of machinery)	the act of determining that something is false
writing in a fictional form	a willful perversion of facts
the deliberate act of deviating from the truth	any evidence that helps to establish the falsity of something
a deliberately false or improbable account