14 letters · 20 points in Scrabble
adjective proportionate
originEtymology tree English proportion Proto-Indo-European *-tḗr Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English proportionable From proportion + -able.
Etymology from Wiktionary, CC BY-SA 3.0