CALLUS is a playable word

callus Scrabble® Dictionary

verb
callused, callusing, calluses
to form a hard growth
25 Playable Words can be made from "CALLUS"
   2-Letter Words (4 found)
   3-Letter Words (7 found)
   4-Letter Words (7 found)
   5-Letter Words (5 found)
   6-Letter Words (2 found)