RILLS is a playable word

rill Scrabble® Dictionary

verb
rilled, rilling, rills
to flow like a rill (a small brook)

11 Playable Words can be made from "RILLS"

   2-Letter Words (3 found)

   3-Letter Words (4 found)

   4-Letter Words (3 found)

   5-Letter Words (1 found)