Mammoth Uncensored Word List:
52 words ending with ys, 5 letters long

adays alays apays aways blays bleys bodys brays breys buoys chays clays cloys crays drays dreys emmys flays fleys frays gleys gonys grays greys joeys julys kumys lazys obeys ofays okays pioys plays ploys polys prays preys quays queys shays slays sleys spays stays sways sweys trays treys troys tways wheys xrays