This is the 8697th most frequent Turkish word.
sainz
The word "sainz" does not exist in Turkish; it appears to be a misspelling or a non-Turkish term.
In this sentence, 'Sainz' is used as a proper noun referring to the individual's surname.
Carlos Sainz harika bir yarışçı.
Carlos Sainz is an excellent racer.
Here, 'Sainz'in' indicates possession, meaning 'of Sainz', showcasing the word in a possessive context.
Sainz'in takımında olmak, büyük bir onurdur.
Being in Sainz's team is a great honor.
In this instance, 'Sainz' is again a proper noun referencing the person, emphasizing their actions in the described situation.