The term 'make unrecognizable' can be achieved by two crossword solutions: 'MANGLE' (6 letters) and 'DISGUISE' (8 letters). MANGLE means to distort or damage something beyond recognition, usually through physical force. DISGUISE, on the other hand, is a way of changing one's appearance or behavior in order to hide one's identity or to avoid detection. Both terms are used to describe the act of making something unrecognizable.