11 letters · 18 points in Scrabble
adjective defining a word by listing the class of entities to which the word correctly applies
originEtymology tree English extension 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 extensional From extension + -al.
Etymology from Wiktionary, CC BY-SA 3.0