SICKENING is a playable word

sicken Scrabble® Dictionary

verb
sickened, sickening, sickens
to make sick
111 Playable Words can be made from "SICKENING"
   2-Letter Words (8 found)
   3-Letter Words (25 found)
   6-Letter Words (9 found)
   8-Letter Words (3 found)
   9-Letter Words (1 found)