coistrel or coistril /koisˈtril/

1. A groom (obsolete)
2. A knave (Shakespeare)

• superstores
• superstrata
• superstratum
• superstratums
• superstring theory
• superstrong
• superstruct
• superstructed
• superstructing
• superstruction
• superstructions
• superstructive
• superstructs
• superstructural
• superstructure
• superstructures
• supersubstantial
• supersubtile
• supersubtle
• supersubtleties
• supersubtlety
• supersweet
• supersymmetrical
• supersymmetries
• supersymmetry