This is the 4077th most frequent Russian word.
нурмагомедов
"Нурмагомедов" is a Russian surname, typically of Dagestani origin.
Here 'Нурмагомедов' is the last name of the famous martial artist, and it is used as a proper noun in a formal context.
Хабиб Нурмагомедов является легендой смешанных боевых искусств.
Khabib Nurmagomedov is a legend in mixed martial arts.
In this sentence, 'Нурмагомедов' is used as a family name, referring to someone's identity within a social context.
Мой друг по фамилии Нурмагомедов недавно переехал в другой город.
My friend with the last name Nurmagomedov recently moved to another city.
Here 'Нурмагомедов' is used to reference a fighter, emphasizing recognition by their last name in the context of their professional activity.