This is the 17618th most frequent Russian word.
тюрок
A Turk.
The word 'тюрок' is used here as a noun to refer to a person of Turkish ethnicity or descent.
Этот древний народ известен как тюрок.
This ancient people is known as Turk.
In this sentence, 'тюрок' is used to denote the plural form, referring to the group collectively.
Он изучал культуру и язык тюрок.
He studied the culture and language of Turks.
Here, 'тюрок' refers to an individual member of the Turkish people.