"Refutability" Natural Recordings by Native Speakers
The ability to be proved false.
The word "refusal" refers to the act of saying "no" or declining something, an expression of unwillingness or dissent, or a refusal to do something that was asked or offered. It can also refer to the thing being refused.
Refuseniks (plural, but also referred to in the singular as Refusenik) were Jews who, living in the Soviet Union, were denied permission to emigrate.