This is the 9436th most frequent Russian word.
туркменбаши
"Turkmenbashi" translates to "Leader of the Turkmen" in English.
In this context, 'Туркменбаши' is used as the title referring to the leader of Turkmenistan, specifically Saparmurat Niyazov, who officially adopted this title.
Туркменбаши был известным лидером Туркменистана.
Turkmenbashi was a famous leader of Turkmenistan.
Here, 'Туркменбаши' is used as the authorial identification of a book attributed to the person known as Turkmenbashi.
Мы прочитали книгу, написанную Туркменбаши.
We read a book written by Turkmenbashi.
In this usage, 'Туркменбаши' refers to the name of the city in Turkmenistan, indicating a geographical location.