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

• classification schedule
• classificatory
• classified
• classified advertisements
• classifier
• classifiers
• classifies
• classify
• classifying
• classily
• classiness
• classinesses
• classing
• class interval
• class intervals
• classis
• classism
• classisms
• classist
• classists
• class-leader
• class-leaders
• class legislation
• classless
• classlessness