The crossword solution for the term 'SAYS A MYTH THAT'S AMISS?' is 'LISPS', which is a five-letter word. LISPS stands for Localized Irritable Sympathetic Syndrome, which is a medical condition characterized by involuntary spasms of the muscles of the face, tongue, and throat. This condition can cause difficulty speaking and swallowing, as well as other symptoms such as drooling and facial twitching.