CASING is a playable word

casing Scrabble® Dictionary

noun
pl. casings
a protective outer covering
50 Playable Words can be made from "CASING"
   2-Letter Words (9 found)
   3-Letter Words (19 found)
   4-Letter Words (17 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)