QUICKEST is a playable word

quick Scrabble® Dictionary

adjective
quicker, quickest
acting or capable of acting with speed
noun
pl. quicks
a sensitive area of flesh
109 Playable Words can be made from "QUICKEST"
   2-Letter Words (11 found)
   3-Letter Words (32 found)
   6-Letter Words (4 found)
   8-Letter Words (2 found)