SICKLIER is a playable word

sickly Scrabble® Dictionary

adjective
sicklier, sickliest
appearing as if sick
(adverb) sicklily
verb
sicklied, sicklying, sicklies
to make sickly
117 Playable Words can be made from "SICKLIER"
   2-Letter Words (8 found)
   3-Letter Words (27 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)