9 letters · 17 points in Scrabble
originEtymology tree Proto-Indo-European *wert- Proto-Indo-European *wértetor Proto-Italic *wertō Latin vortō Latin vortexlbor. English vortex Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English vorticity From vortex + -ity.
Etymology from Wiktionary, CC BY-SA 3.0