1. Involving four parties
   - four-party

See also: many-sided, multilateral

• ferric
• ferric oxide
• ferricyanic acid
• ferricyanide
• ferriferous
• ferrimagnetism
• Ferris wheel
• ferrite
• ferritin
• ferro-
• ferrocerium
• ferroconcrete
• ferrocyanic acid
• ferrocyanide
• ferromagnetic
• ferromagnetism
• ferrous
• ferruginous
• ferrule
• ferry
• ferryboat
• ferrying
• ferryman
• fertile
• Fertile Crescent