SVELTEST is a playable word

svelte Scrabble® Dictionary

adjective
svelter, sveltest
gracefully slender
(adverb) sveltely
74 Playable Words can be made from "SVELTEST"
   2-Letter Words (4 found)
   3-Letter Words (18 found)
   5-Letter Words (12 found)
   6-Letter Words (10 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)