YOWLER is a playable word

yowler Scrabble® Dictionary

noun
pl. yowlers
one that yowls
48 Playable Words can be made from "YOWLER"
   2-Letter Words (13 found)
   3-Letter Words (15 found)
   4-Letter Words (15 found)
   5-Letter Words (2 found)
   6-Letter Words (3 found)