STEEPENED is a playable word

steepen Scrabble® Dictionary

verb
steepened, steepening, steepens
to make steep
105 Playable Words can be made from "STEEPENED"
   2-Letter Words (8 found)
   3-Letter Words (22 found)
   6-Letter Words (8 found)
   7-Letter Words (5 found)
   9-Letter Words (1 found)