The term MANX is associated with two crossword solutions: CAT (3 letters) and GAEL (4 letters). The Manx CAT is a breed of domestic CAT originating on the Isle of Man, an island located in the Irish Sea between Great Britain and Ireland. The Manx CAT is known for its taillessness, which is caused by a genetic mutation. The Manx Gaelic language is a Goidelic language related to Irish and Scottish Gaelic. It is spoken on the Isle of Man and is considered an endangered language.