œil-de-bœuf /œ-ē-də-bœfˈ/

1. A small round window
2. An octagonal vestibule at the court of Versailles, hence one elsewhere

• superluminal
• superlunar
• superlunary
• superman
• supermarket
• supermarkets
• supermart
• supermassive
• supermax
• supermen
• super middleweight
• supermini
• superminis
• supermodel
• supermodels
• supermundane
• supernacular
• supernaculum
• supernaculums
• supernal
• supernally
• supernatant
• supernatants
• supernational
• supernationalism