DAMPEN is a playable word

dampen Scrabble® Dictionary

verb
dampened, dampening, dampens
to moisten
67 Playable Words can be made from "DAMPEN"
   2-Letter Words (15 found)
   3-Letter Words (25 found)
   4-Letter Words (18 found)
   5-Letter Words (8 found)
   6-Letter Words (1 found)