7 letters · 11 points in Scrabble
adjective capable of being added or added to
originEtymology tree English add Proto-Indo-European *-tḗr Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ibilis Old French -ibleder. Middle English -ible English -ible English addible From add + -ible.
Etymology from Wiktionary, CC BY-SA 3.0