10 letters · 15 points in Scrabble
adjective designed to be filled with air or gas
originEtymology tree English inflate Proto-Indo-European *-tḗr Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English inflatable From inflate + -able.
Etymology from Wiktionary, CC BY-SA 3.0