UNRIVETTED is a playable word

unrivet Scrabble® Dictionary

verb
unriveted, unriveting, unrivets or unrivetted, unrivetting, unrivets
to remove rivets (metal bolts) from
313 Playable Words can be made from "UNRIVETTED"
   2-Letter Words (15 found)
   8-Letter Words (7 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)