SHRILLER is a playable word

shrill Scrabble® Dictionary

adjective
shriller, shrillest
having a high-pitched and piercing quality
(adverb) shrilly
verb
shrilled, shrilling, shrills
to utter a shrill sound
94 Playable Words can be made from "SHRILLER"
   2-Letter Words (11 found)
   3-Letter Words (21 found)
   6-Letter Words (8 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)