duologue (n.)

• ballet
• bomb
• charade
• confab
• confabulation
• dialogue
• drama
• extravaganza
• failure
• flop
• giveaway
• happening
• hit
• masque
• melodrama
• miracle
• monologue
• morality
• mystery
• opera
• pageant
• palaver
• pantomime
• pastoral
• piece
• play
• playlet
• review
• revue
• serial
• show
• sitcom
• sketch
• skit
• soap
• spectacle
• speech
• success
• tableau
• talk
• vaudeville
• vehicle
• words
• work