SHUDDER is a playable word

shudder Scrabble® Dictionary

verb
shuddered, shuddering, shudders
to tremble
70 Playable Words can be made from "SHUDDER"
   2-Letter Words (10 found)
   3-Letter Words (17 found)
   5-Letter Words (12 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)