SILLIEST is a playable word

silly Scrabble® Dictionary

adjective
sillier, silliest
showing a lack of good sense
(adverb) sillily
noun
pl. sillies
a silly person

91 Playable Words can be made from "SILLIEST"

   2-Letter Words (9 found)

   3-Letter Words (21 found)

   6-Letter Words (10 found)

   7-Letter Words (3 found)

   8-Letter Words (1 found)