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

• spalt
• spalted
• spalting
• spalts
• schoolgoings
• school house
• schoolhouse
• schoolhouses
• schoolie
• schoolies
• schooling
• schoolings
• school inspector
• school inspectors
• school-leaver
• school-leavers
• school-leaving
• schoolma'am
• schoolmaid
• schoolmaids
• schoolman
• schoolmarm
• schoolmarmish
• schoolmarms
• schoolmaster