SICKER is a playable word

sick Scrabble® Dictionary

adjective
sicker, sickest
affected with disease or ill health
verb
sicked, sicking, sicks
to sic

57 Playable Words can be made from "SICKER"

   2-Letter Words (6 found)

   3-Letter Words (18 found)

   5-Letter Words (10 found)

   6-Letter Words (2 found)