The term 'proves false' can be expressed in several ways. Refutes (7 letters) means to disprove or contradict something, Belies (6 letters) means to give a false impression, Negates (7 letters) means to deny the truth of something, CONFUTES (8 letters) means to prove something wrong by argument, and Rebuts (6 letters) means to oppose or refute an argument. All of these words are used to express the idea of proving something false.