The letter 'kaf' exists in the Turkish alphabet.

My head hurts a lot.

The café is a great place to meet up with friends.

This caffeinated drink keeps me awake.

I prefer decaffeinated coffee.

It can be difficult to deal with that big-headed man.

The skull bones serve a protective function.

I'm about to go nuts under this stress.

I found the skull.

Skulls are an important research topic for anthropologists.