DECOLOURING is a playable word

decolour Scrabble® Dictionary

verb
decoloured, decolouring, decolours
to decolor
720 Playable Words can be made from "DECOLOURING"
   2-Letter Words (22 found)
   3-Letter Words (100 found)
   9-Letter Words (5 found)
   10-Letter Words (2 found)
   11-Letter Words (1 found)