Is it necessary to dedicate an entire thread to something of such little consequence as English? Usually we just criticize the spelling of trols and let it go at that.
He trolls for trolls.
The Poles polish the Polish poles.
More of the same about English:
Why is abbreviated such a long word?
Why does monosyllabic have five syllables?
Why is brassiere singular and panties plural?
Why do we drive on parkways and park on driveways?
Why is it when you transport something by car, it's called a shipment, but when you transport something by ship, it's called cargo?