ATTEST is a playable word

attest Scrabble® Dictionary

verb
attested, attesting, attests
to affirm to be true or genuine
46 Playable Words can be made from "ATTEST"
   2-Letter Words (7 found)
   3-Letter Words (16 found)
   4-Letter Words (17 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)