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

• peroxidise
• peroxidised
• peroxidises
• peroxidising
• peroxidize
• peroxidized
• peroxidizes
• peroxidizing
• peroxisome
• perp
• perpend
• perpended
• perpendicular
• perpendicularity
• perpendicularly
• perpendiculars
• Perpendicular style
• perpending
• perpends
• perpent
• perpetrable
• perpetrate
• perpetrated
• perpetrates
• perpetrating