Mammoth Uncensored Word List:
39 words ending with gy, 14 letters long

anesthesiology antitechnology archaeozoology autocoprophagy bioclimatology biometeorology characterology cytophysiology cytotechnology histopathology macrosociology megatechnology metapsychology microcosmology mycotoxicology nanotechnology neurohypnology neuropathology neuroradiology onconephrology orthopterology otolaryngology palaeethnology palaeopedology palaeoxylology paleolimnology paleoneurology paleopathology parapsychology periodontology phytolithology phytopathology phytosociology psychooncology psychorheology pyrometallurgy symptomatology terotechnology urogynaecology