Silicon Valley 
A name given to an area between San Jose and Palo Alto in Santa Clara County, California, US, noted for its computing and electronics industries.
- Foster, Stephen
- fou
- Foucauldian
- Foucaultian
- Foucault, Jean Bernard Léon
- Foucault, Michel
- fouetté
- fought
- Fou-hsin
- foul
- Foulah
- foulard
- foul ball
- foul brood
- foul hawse
- foul lane
- foul line
- foully
- foul mouth
- foul-mouthed
- foulness
- foul one's (own) nest
- foul play
- foul-smelling
- foul something up (or foul up)