SADDER is a playable word

sad Scrabble® Dictionary

adjective
sadder, saddest
unhappy
59 Playable Words can be made from "SADDER"
   2-Letter Words (10 found)
   3-Letter Words (18 found)
   4-Letter Words (17 found)
   5-Letter Words (10 found)
   6-Letter Words (4 found)