DIMINISHING is a playable word

diminish Scrabble® Dictionary

verb
diminished, diminishing, diminishes
to lessen
87 Playable Words can be made from "DIMINISHING"
   2-Letter Words (9 found)
   3-Letter Words (23 found)
   5-Letter Words (7 found)
   6-Letter Words (7 found)
   7-Letter Words (8 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)
   11-Letter Words (1 found)