Below you can find the In greek myth this 3-headed snake-tailed dog guarded the gates of hades Jeopardy Words Answer. The answer to In greek myth this 3-headed snake-tailed dog guarded the gates of hades has 8 letters. This clue belongs to the Myths & legends category and is part of Jeopardy Word Level 2351. If you scroll near the bottom you will find other clues and answers part of level 2351