forwarn or forewarn /fər- or för-wörnˈ/

To forbid

• thready
• threap
• threaping
• threapit
• threaps
• threat
• threated
• threaten
• threatened
• threatener
• threateners
• threatening
• threateningly
• threatenings
• threatens
• threatful
• threating
• threats
• threave
• threaves
• three
• three balls
• three bells
• three-bottle
• three-bottle man