Mammoth Uncensored Word List:
119 words ending with gy, 10 letters long

agnoiology angelology antisyzygy archeology aristology astacology autecology balneology bibliology bibliopegy bioecology brachylogy cardiology carphology choreology chronology codicology cohomology cometology conchology coprophagy craniology cryptology deltiology demonology dendrology deontology disanalogy docimology dramaturgy edaphology embryology emmenology entomology enzymology escapology exobiology exogeology futurology gastrology genecology geobiology geratology glaciology glossology glottology gnoseology gnosiology graphology gynecology hematology heortology hepatology heterology highenergy hippophagy histiology immunology lexicology limacology lymphology malacology metallurgy mineralogy missiology monadology morphology musicology mycetology nematology nephrology nongeology numerology oceanology odontology oligophagy oneirology organology orismology oryctology palynology pantophagy papyrology phaenology phlebology phrenology physiology phytophagy polemology ponerology potamology praxeology proctology psephology pseudology psychology pyretology satanology scatophagy seismology selenology sematology semeiology somatology speleology spongology stereology stichology storiology synecology technology teratology thermology timbrology toxicology trichology trophology typhlology urbanology