5 letters · 14 points in Scrabble
adjective causing or characterized by jolts and irregular movements
adjective covered with or full of bumps
originEtymology tree English bump Proto-Indo-European *-kos Proto-Germanic *-gaz Proto-West Germanic *-g Old English -iġ Middle English -y English -y English bumpy From bump + -y.
Etymology from Wiktionary, CC BY-SA 3.0