to fix an error

to fix someone

to fix someone up with something

to fix something on/to

to fix something up

to fix the terms

to fix up

to fix a date

I'll fix the mistake right away.

to be fixed in one’s ways

fixed running costs

fixed holiday

Fixing data by hand is out of the question

to fizzle out

to be flabbergasted

flacon

to flag a cab

to flake out

to be flaked out

to be flaky

flaming

flannel

to be in a flap

to flap one’s gums

to flare out against someone