HIPPOS is a playable word

hippo Scrabble® Dictionary

noun
pl. hippos
a hippopotamus
45 Playable Words can be made from "HIPPOS"
   2-Letter Words (12 found)
   3-Letter Words (18 found)
   4-Letter Words (13 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)