12 letters · 20 points in Scrabble
originEtymology tree Latin aggredior Latin aggressuslbor. English aggress Latin -īvus Old French -ifbor. Middle English -yf English -ive English aggressiv(e) Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English aggressivity From aggressiv(e) + -ity.
Etymology from Wiktionary, CC BY-SA 3.0