This is the 269th most frequent Estonian word.
teevad
"Televad" means "they do" or "they make" in English.
Here, 'teevad' implies 'make' in the sense of preparing a dish, 'nad' (they) refers to the subject performing the action.
Nad teevad supi valmis.
They are preparing the soup.
In this sentence, 'teevad' is translated as 'make' in the context of producing jokes, with 'sõbrad' (friends) as the subject.
Sõbrad teevad alati nalja.
Friends always make jokes.
Here, 'teevad' means 'do' in the context of performing a task, 'õpilased' (students) are the subject.