For the points 40-40 each, the term used in Tennis is 'deuce'.
Often used as a slang term for tennis shoe.
badminton and tennis both
The term 'Love' is used in both Badminton and Tennis.
The noun "volley" is used as a collective noun for a volley of shots; a term used for gunfire or for tennis.
A tennis swing on the strong side of the body is called a forehand.
The term is 'intestate'.