ROWEL is a playable word

rowel Scrabble® Dictionary

verb
roweled, roweling, rowels or rowelled, rowelling, rowels
to prick with a spiked wheel in order to urge forward
25 Playable Words can be made from "ROWEL"
   2-Letter Words (10 found)
   3-Letter Words (8 found)
   4-Letter Words (5 found)
   5-Letter Words (2 found)