quartet, quartette or quartett /kwör-tetˈ/

1. A set of four
2. A composition for four voices or instruments
3. A set of performers or instruments for such compositions

• autodidacticism
• autodidacts
• auto-digestion
• autodyne
• autoerotic
• autoeroticism
• autoeroticisms
• autoerotism
• autoerotisms
• autoexposure
• blue films
• bluefin
• bluefins
• bluefish
• bluefishes
• blue flag
• blue flags
• blue fox
• blue foxes
• blue funk
• blue funks
• bluegill
• bluegills
• bluegown
• bluegowns