APPALL is a playable word

appall Scrabble® Dictionary

verb
appalled, appalling, appalls
to fill with horror or dismay
19 Playable Words can be made from "APPALL"
   2-Letter Words (4 found)
   3-Letter Words (8 found)
   4-Letter Words (3 found)
   5-Letter Words (2 found)
   6-Letter Words (2 found)