11 letters · 17 points in Scrabble
originEtymology tree Latin arguō Proto-Indo-European *-mn̥ Proto-Indo-European *-mn̥tom Proto-Italic *-mentom Latin -mentum Latin argūmentumder. Anglo-Norman arguementbor. Middle English argument English argument Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus Old French -ifbor. Middle English -yf English -ive English argumentive From argument + -ive.
Etymology from Wiktionary, CC BY-SA 3.0