Mammoth Uncensored Word List:
50 words ending with gy, 6 letters long

anergy bluggy braggy claggy clergy clingy cloggy craggy croggy draggy dreggy druggy effigy energy eulogy flaggy fledgy fringy froggy groggy grungy kludgy knaggy loungy maungy oology orangy otalgy preggy quaggy scungy shaggy shuggy slaggy slangy sludgy smoggy smudgy snaggy spongy spuggy staggy stingy stodgy stuggy swingy syzygy thingy twangy twiggy