I fled from the bus.

I fled.

I fled secretly.

I fled in the dead of night.

to fleece someone

fleet of foot

fleet-footed

fleet of cars

fleeting glance

He is my flesh and blood

to flesh out

flesh and blood

Flesh and blood cannot stand it!

I flew into a rage.

to flex one’s muscles

I'm flexible with time.

to flick a glance

flicks

My flight was just called.

flight via Brussels

a flight via Berlin to Paris

in-flight movie

to flip through a book

to do a flip-flop/U-turn on something

to flip out