10 letters · 15 points in Scrabble
originEtymology tree English tune Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Proto-Italic *-tāts Latin -tās Latin -abilitas Middle French -abletébor. Middle English -ablete English -ability English tunability From tune + -ability.
Etymology from Wiktionary, CC BY-SA 3.0