12 letters · 23 points in Scrabble
noun power to be effective; the quality of being able to bring about an effect
originEtymology tree English effectual Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English effectuality From effectual + -ity.
Etymology from Wiktionary, CC BY-SA 3.0