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

• balling
• ballings
• ballista
• ballistae
• ballistas
• ballistic
• ballistic missile
• ballistic missiles
• ballistic pendulum
• ballistic pendulums
• ballistics
• ballistite
• ballistites
• ballistocardiogram
• ballistocardiograms
• ballistocardiograph
• ballistocardiography
• ballium
• balliums
• ball lightning
• ball mill
• ball mills
• ballocks
• ballocksed
• ballockses