- foulCovered with, or containing unclean matter; dirty.
- FulfordA suburban village and civil parish in the city of York district, North Yorkshire, England (OS grid ref SE6148).
- FulwoodA habitational surname.
- FulwellA small suburban area in the borough of Richmond upon Thames, Greater London (OS grid ref TQ1472).
- foumartA European polecat; a member of the Mustelidae family.
- FulbeckA village and civil parish in South Kesteven district, Lincolnshire, England (OS grid ref SK9450).
- FulbrookA village in Buckinghamshire, England.
- unfullNot full or complete; incomplete, imperfect.