HYDROS is a playable word

hydro Scrabble® Dictionary

noun
pl. hydros
electricity produced by waterpower
45 Playable Words can be made from "HYDROS"
   2-Letter Words (10 found)
   3-Letter Words (17 found)
   4-Letter Words (14 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)