8 letters · 13 points in Scrabble
noun a verse or song to be chanted or sung in response
originFrom French antiphone or Medieval Latin antiphōna, from Ancient Greek ἀντίφωνα (antíphōna, “responses, musical accords”), neuter plural substantive of ἀντίφωνος (antíphōnos, “concordant”) from ἀντί (antí, “in return”) + φωνή (phōnḗ, “sound”). Doublet of anthem.
Etymology from Wiktionary, CC BY-SA 3.0