18 letters · 29 points in Scrabble
originEtymology tree English incommensurable Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English incommensurability From incommensurable + -ity.
Etymology from Wiktionary, CC BY-SA 3.0