6 letters · 12 points in Scrabble
noun a reflex motion caused by cold or fear or excitement
noun an almost pleasurable sensation of fright
verb tremble convulsively, as from fear or excitement
originFrom a Germanic word, probably present in Old English though unattested, cognate with Old High German scivaro (German Schiefer (“slate”)).
Etymology from Wiktionary, CC BY-SA 3.0