A bova is a type of an organ. A dax is a type of an armor. Question: Which one of them is used by soldiers? Answer: dax.
A wug is a type of mayonnaise. A kiki is a type of grape. Question: Which one of them can contain eggs? Answer: wug.
A toma is a type of a harpoon. A glorp is a type of bread. Question: Which one of them can be filled with jam? Answer: glorp.
A blick is a type of leek. A tufa is a type of a piano. Question: Which one of them can be grown? Answer: blick.
A fep is a type of a catapult. A flib is a type of a melon. Question: Which one of them has antioxidants? Answer: flib.
A zek is a type of a piano. A zup is a type of an oil tanker. Question: Which one of them can resonate? Answer: zek.