FDA

1. Food and Drug Administration (in the USA)
2. First Division Association, a trade union for senior civil servants

• ratbag
• ratbags
• ratbite fever
• ratbite fevers
• rat-catcher
• rat-catchers
• rat-catching
• ratch
• pitifully
• pitifulness
• pitifulnesses
• pitiless
• pitilessly
• pitilessness
• pitilessnesses
• pitman
• pitmen
• pit-mirk
• piton
• pitons
• Pitot tube
• Pitot tubes
• pit-pat
• pit-pats
• pit-patted