RAINWASHING is a playable word

rainwash Scrabble® Dictionary

verb
rainwashed, rainwashing, rainwashes
to wash material downhill by rain
310 Playable Words can be made from "RAINWASHING"
   2-Letter Words (16 found)
   8-Letter Words (7 found)
   9-Letter Words (1 found)
   11-Letter Words (1 found)