forwarn or forewarn /fər- or för-wörnˈ/

To forbid

• pioy
• pioye
• pioyes
• pioys
• pip
• pipa
• pipage
• pipages
• pipal
• pipals
• pipas
• pipe
• pipe and tabor
• pipe band
• pipe bands
• pipe bomb
• pipe bombs
• pipe-case
• pipe-cases
• pipeclay
• pipeclayed
• pipeclaying
• pipeclays
• pipe-cleaner
• piped