The term 'medium-sized wildcat' can be summarized by two crossword solutions: LYNX (4 letters) and OCELOT (6 letters). The LYNX is a medium-sized wildcat native to North America, Europe, and Asia. It has a short tail, tufted ears, and long legs. The OCELOT is a medium-sized wildcat native to Central and South America. It has a long tail, spotted fur, and a short face. Both cats are solitary animals and hunt small mammals, birds, and reptiles.