HYPER is a playable word

hyper Scrabble® Dictionary

adjective
hyperer, hyperest
very excited
noun
pl. hypers
one that hypes
22 Playable Words can be made from "HYPER"
   2-Letter Words (6 found)
   3-Letter Words (12 found)
   4-Letter Words (3 found)
   5-Letter Words (1 found)