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

• coequals
• coerce
• coerced
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• coercibly
• coercimeter
• coercimeters
• coercing
• coercion
• coercionist
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• coercive force
• coercively
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• coercivities
• coercivity
• coessential
• coessentialities
• coessentiality
• coetaneous
• coeternal