This is the 5056th most frequent Turkish word.
güreş
Wrestling.
The word "güreş" is used here as a noun to describe the sport of wrestling.
Güreş sporu Türkiye'de çok popülerdir.
The sport of wrestling is very popular in Turkey.
In this sentence, "güreş" is used as a noun in the context of a wrestling competition.
O, bir güreş turnuvasında şampiyon oldu.
He became a champion in a wrestling tournament.
Here, the root word "güreş" is turned into a verb "güreştiler" to describe the act of wrestling being performed by the children.