Below you can find the If you have stygiophobia derived from the river styx you have a fear of this so act right! Jeopardy Words Answer. The answer to If you have stygiophobia derived from the river styx you have a fear of this so act right! has 4 letters. This clue belongs to the Scary words category and is part of Jeopardy Word Level 55. If you scroll near the bottom you will find other clues and answers part of level 55