HYDRAS is a playable word

hydra Scrabble® Dictionary

noun
pl. hydras or hydrae
a freshwater polyp
59 Playable Words can be made from "HYDRAS"
   2-Letter Words (9 found)
   3-Letter Words (24 found)
   4-Letter Words (16 found)
   5-Letter Words (9 found)
   6-Letter Words (1 found)