VIPERS is a playable word

viper Scrabble® Dictionary

noun
pl. vipers
a venomous snake
(adjective) viperine, viperish, viperous
60 Playable Words can be made from "VIPERS"
   2-Letter Words (7 found)
   3-Letter Words (20 found)
   4-Letter Words (18 found)
   6-Letter Words (1 found)