SLEEKIER is a playable word

sleeky Scrabble® Dictionary

adjective
sleekier, sleekiest
sleek
104 Playable Words can be made from "SLEEKIER"
   2-Letter Words (8 found)
   3-Letter Words (27 found)
   6-Letter Words (7 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)