10 letters · 22 points in Scrabble
noun (geology) the probability that an earthquake will generate a level of ground motion that exceeds a specified reference level during a given exposure time
originEtymology tree English exceed Latin -iader. Old French -ancebor. Middle English -aunce English -ance English exceedance From exceed + -ance.
Etymology from Wiktionary, CC BY-SA 3.0