6 letters · 12 points in Scrabble
noun box in which a corpse is buried or cremated
noun small and often ornate box for holding jewels or other valuables
verb enclose in a casket
originProbably from Norman cassette. Possibly reformed by analogy with cask, thus analyzable as cask + -et. Doublet of cassette.
Etymology from Wiktionary, CC BY-SA 3.0