15 letters · 20 points in Scrabble
originEtymology tree English non- English convention Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English conventional English nonconventional From non- + conventional.
Etymology from Wiktionary, CC BY-SA 3.0