THUNDER is a playable word

thunder Scrabble® Dictionary

verb
thundered, thundering, thunders
to produce a loud, resounding sound
85 Playable Words can be made from "THUNDER"
   2-Letter Words (14 found)
   3-Letter Words (29 found)
   5-Letter Words (7 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)