13 letters · 21 points in Scrabble
noun the quality of being reversible in either direction
originEtymology tree English reversible Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English reversibility From reversible + -ity.
Etymology from Wiktionary, CC BY-SA 3.0