9 letters · 10 points in Scrabble
originFrom Byzantine Greek αντίδωρον (antídōron) from Koine Greek ἀντίδωρον (antídōron) from Ancient Greek ἀντί + δῶρον (antí + dôron, “gift in return; instead of a gift”).
Etymology from Wiktionary, CC BY-SA 3.0