STILLY is a playable word

stilly Scrabble® Dictionary

adjective
stillier, stilliest
still
36 Playable Words can be made from "STILLY"
   2-Letter Words (5 found)
   3-Letter Words (9 found)
   4-Letter Words (13 found)
   5-Letter Words (8 found)
   6-Letter Words (1 found)