This is the 3889th most frequent Turkish word.
arjantinli
"Arjantinli" means "Argentinian" or "a person from Argentina" in English.
In this sentence, 'Arjantinli' is used as an adjective to describe the nationality of the football players.
Arjantinli futbolcular dünya çapında tanınır.
Argentinian football players are recognized worldwide.
Here, 'Arjantinli' is used as a noun to indicate the nationality of our neighbor.
Komşumuz Arjantinli ve bizimle tatlı bir aksanla konuşuyor.
Our neighbor is Argentinian and speaks to us with a sweet accent.
In this case, 'Arjantinli' is used attributively, modifying 'bir arkadaş' (a friend) to specify their nationality.