forwarn or forewarn /fər- or för-wörnˈ/

To forbid

• hydroids
• hydrokinetic
• hydrokinetics
• hydrolase
• hydrolases
• hydrologic
• hydrological
• hydrologically
• hydrologies
• hydrologist
• hydrologists
• hydrology
• hydrolysate
• hydrolysates
• hydrolyse
• hydrolysed
• hydrolyses
• hydrolysing
• hydrolysis
• hydrolyte
• hydrolytes
• hydrolytic
• hydrolyze
• hydrolyzed
• hydrolyzes