WordNet: disproof, falsification, refutation

any evidence that helps to establish the falsity of something

• hypernym evidence, grounds

• hyponym reductio, reductio ad absurdum

• hyponym confutation

• hyponym counterexample

disproof

• (suomi) vastatodiste (synonyymi)

falsification

• (englanti) falsify (derivationally related)
• (suomi) kumoaminen (synonyymi)

refutation

• (englanti) refute (derivationally related)

• (englanti) refute (derivationally related)
• (suomi) kumoaminen (synonyymi)