forwarn or forewarn /fər- or för-wörnˈ/

To forbid

• double-faulted
• double-faulting
• double faults
• double-faults
• double feature
• double features
• double-figure
• double figures
• double first
• double firsts
• double flat
• double flats
• double florin
• double-flowered
• double-formed
• double-founted
• drivellers
• drivelling
• drivels
• driven
• driver
• driver ant
• driver ants
• driverless
• drivers