THINDOWN is a playable word

thindown Scrabble® Dictionary

noun
pl. thindowns
a lessening in the number of atomic particles and cosmic rays passing through the earth's atmosphere
80 Playable Words can be made from "THINDOWN"
   2-Letter Words (15 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)