This is the 699th most frequent Greek word.
νίκου
"Νίκου" is the genitive form of the Greek male name "Νίκος," meaning "of Nikos."
In this sentence, 'Νίκου' is in the genitive case, indicating possession of the noun 'car'.
Το αυτοκίνητο του Νίκου είναι κόκκινο.
Nikos's car is red.
Here, 'Νίκου' is also in the genitive case, denoting possession of the family.
Η οικογένεια του Νίκου κατοικεί εδώ.
Nikos's family lives here.
'Νίκου' is in the genitive case, used to show a relationship between Nikos and the friend.