National Health Service 
(also National Health , abbreviation NHS)
(In the UK) a system of national medical care paid for mainly by taxation and started by the Labour government in 1948.
- flippant
- flippantly
- flipper
- Flipper, Henry Ossian
- flip phone
- flipping
- flippy
- flippy-floppy
- flip side
- flip someone the bird (or flip the bird)
- flip the script
- flip through
- flip-top
- flirt
- flirtation
- flirtatious
- flirtatiously
- flirtatiousness
- flirty
- flit
- flitch
- flitch beam
- flitch plate
- flitter
- flittermouse