12 letters · 15 points in Scrabble
originEtymology tree Proto-Indo-European *h₂el- Latin ūls Proto-Indo-European *-teros? Latin -ter Old Latin -ād Latin -ā Latin ultrābor. English ultra- Proto-Indo-European *weyh₁-der. Proto-Indo-European *wéyh₁s Proto-Italic *wīs Latin vīs Latin violō Latin -entus Latin violentusbor. Old French violentbor. Middle English violent English violent English ultraviolent From ultra- + violent.
Etymology from Wiktionary, CC BY-SA 3.0