fiel - foca
- first use
- First World
- First World War
- first-class
- first-class citizen
- first-class clerk
- first-degree arson
- first-hand account
- first-hand experience
- first-hand information
- first-past-the-post voting system
- first-rate
- first-strike capability
- first-strike offensive damages
- first-strike weapons
- first-time voter
- first-use nuclear weapons
- first-use weapons
- fiscal
- fiscal and customs exemption
