falsifying vs refutation

falsifying and refutation both are nouns.

Word	Noun	Adjective	Verb	Adverb
falsifying	Yes	No	No	No
refutation	Yes	No	No	No

As nouns, falsifying and refutation are synonyms defined as:

falsifying and refutation: the act of determining that something is false

Other synonyms of falsifying include disproof, falsification, refutal.

falsifying (noun)	refutation (noun)
the act of determining that something is false	the act of determining that something is false
	any evidence that helps to establish the falsity of something
	the speech act of answering an attack on your assertions