QUICKEN is a playable word

quicken Scrabble® Dictionary

verb
quickened, quickening, quickens
to speed up
33 Playable Words can be made from "QUICKEN"
   2-Letter Words (7 found)
   3-Letter Words (10 found)
   4-Letter Words (12 found)
   5-Letter Words (1 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)