WEAKEN is a playable word

weaken Scrabble® Dictionary

verb
weakened, weakening, weakens
to make weak
45 Playable Words can be made from "WEAKEN"
   2-Letter Words (9 found)
   3-Letter Words (18 found)
   4-Letter Words (14 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)