surtax /sûrˈtaks/

1. An additional tax
2. Tax payable on incomes above a certain high level (term not in official use in this sense)

1. To tax additionally
2. To charge surtax

• achenia
• achenial
• achenium
• acheniums
• Achernar
• Acheron
• Acherontic
• Acherontis pabulum
• aches
• Acheulean
• Acheulian
• achier
• achiest
• achievable
• achieve
• achieved
• achievement
• achievement age
• achievement ages
• achievement quotient
• achievement quotients
• achievements
• achiever
• achievers
• achieves