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

• oversleeps
• oversleeve
• oversleeves
• overslept
• overslip
• overslipped
• overslipping
• overslips
• oversman
• oversmen
• oversold
• oversoul
• oversouls
• oversow
• oversowed
• oversowing
• oversown
• oversows
• overspecialisation
• overspecialise
• overspecialised
• overspecialises
• overspecialising
• overspecialization
• overspecialize