This is the 106th most frequent Greek word.
κάνουν
"Κάνουν" means "they do" or "they make" in English.
In this context, "κάνουν" means 'do' as in performing a task or activity.
Οι μαθητές κάνουν την άσκηση.
The students do the exercise.
Here, "κάνουν" means 'are doing', indicating an action that is currently taking place.
Τι κάνουν αυτοί εκεί;
What are they doing there?
In this usage, "κάνουν" means 'make', as in creating or formulating something.