KEY: Incidence.
SYN: Impingement, impact, stroke.
ANT: Reflection, resilience, rebound.

• Fribble, [See TRIFLE]
• Friction
• Friend
• Friendless, [See FRIEND_and_FORLORN]
• Friendly
• Friendship, [See FRIEND]
• Frightful
• Fright, [See ALARM]
• Frigid
• Fringed, [See FIMBRIATED]
• Frippery
• Frisk
• Frisky
• Fritter
• Frivolous
• Frolic
• Frolicsome
• Front, [See FACE]
• Froth, [See BALDERDASH]
• Froward
• Frugal
• Fruit
• Fruitful
• Fruition
• Fruitless, [See FRIENDLY]