SUDDEN is a playable word

sudden Scrabble® Dictionary

adjective
happening quickly and without warning
(adverb) suddenly
noun
pl. suddens
a sudden occurrence
39 Playable Words can be made from "SUDDEN"
   2-Letter Words (8 found)
   3-Letter Words (13 found)
   4-Letter Words (14 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)