flummox /flumˈəks/ (informal)

To perplex or puzzle

• frillier
• frillies
• frilliest
• frilling
• frillings
• frills
• frilly
• Frimaire
• fringe
• fringe benefit
• fringe benefits
• fringed
• fringe-dweller
• fringe-dwellers
• fringe effect
• fringe effects
• fringeless
• fringe medicine
• fringes
• fringe tree
• fringe trees
• fringier
• fringiest
• fringillaceous
• fringillid