GRAVEL is a playable word

gravel Scrabble® Dictionary

verb
graveled, graveling, gravels or gravelled, gravelling, gravels
to pave with gravel (a mixture of rock fragments)
61 Playable Words can be made from "GRAVEL"
   2-Letter Words (8 found)
   3-Letter Words (22 found)
   5-Letter Words (10 found)
   6-Letter Words (1 found)