HIGHBALLS is a playable word

highball Scrabble® Dictionary

verb
highballed, highballing, highballs
to go at full speed
128 Playable Words can be made from "HIGHBALLS"
   2-Letter Words (16 found)
   6-Letter Words (2 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)