The term 'Cancels Out' can be represented by four different crossword solutions: NULLS (5 letters), UNDOES (6 letters), NEGATES (7 letters), and XES (3 letters). NULLS means to make something void or invalid, undoing is the act of reversing an action, negating is to deny the truth or validity of something, and xes is a slang term for crossing out. All of these words refer to the idea of cancelling out, which is the act of making something null and void, reversing an action, denying the truth, or crossing out.