This is the 5322nd most frequent Arabic word.
تنس
"تنس" in Arabic translates to "tennis" in English.
In this context, 'تنسَ' derived from the verb 'نسي' means 'forget'.
لا تنسَ أن تحضر كتابك.
Don't forget to bring your book.
Here, 'تنس' refers to muscle tension, derived from a different linguistic root.
تنس العضلات يمكن أن يحدث بعد التدريب الشاق.
Muscle tension can occur after intense training.
Here, 'تنس' refers to the sport.