This is the 664th most frequent Greek word.
κερδίσει
"Κερδίσει" means "to win" or "to earn."
In this context, 'κερδίσει' is used in the perfect subjunctive mood, forming a hypothesis or consideration about a past event.
Μπορεί να έχει κερδίσει τον αγώνα χθες βράδυ.
He/She might have won the match last night.
Here, 'κερδίσει' is used in the future subjunctive mood to describe a conditional scenario depending on a possible future victory event.
Εάν κερδίσει το πρωτάθλημα, θα γίνει διάσημος.
If he/she wins the championship, he/she will become famous.
The word 'κερδίσει' here is used as an infinitive verb form referring to the intent or desire of the subject (the player) to achieve victory in a competitive activity.