forwarn or forewarn /fər- or för-wörnˈ/

To forbid

• grass-rooters
• grass-roots
• grass rope
• grass sickness
• grass snake
• grass snakes
• grass someone up
• grass staggers
• grass style
• grass tree
• grass trees
• grassum
• grassums
• grass up
• grass widow
• grass widower
• grass widowers
• grass widows
• grasswrack
• grasswracks
• grassy
• graste
• grat
• grate
• grated