FLOUR is a playable word

flour Scrabble® Dictionary

verb
floured, flouring, flours
to cover with flour (a finely ground meal of grain)
16 Playable Words can be made from "FLOUR"
   2-Letter Words (3 found)
   3-Letter Words (6 found)
   4-Letter Words (5 found)
   5-Letter Words (2 found)