SHRIEKER is a playable word

shrieker Scrabble® Dictionary

noun
pl. shriekers
one that shrieks
99 Playable Words can be made from "SHRIEKER"
   2-Letter Words (10 found)
   3-Letter Words (24 found)
   6-Letter Words (9 found)
   7-Letter Words (4 found)
   8-Letter Words (1 found)