8 letters · 10 points in Scrabble
noun a conversation between two persons
noun a part of the script in which the speaking roles are limited to two actors
originEtymology tree Proto-Indo-European *dwóh₁ Proto-Italic *duō Latin duo English duo- English -logue English duologue From duo- + -logue.
Etymology from Wiktionary, CC BY-SA 3.0