Booby trap and Pineapple

Booby trap noun - A usually concealed explosive device designed to go off when disturbed.

Pineapple and booby trap are semantically related In some cases you can use "Pineapple" instead a noun phrase "Booby trap".

Pineapple noun - A tropical American plant bearing a large fleshy edible fruit with a terminal tuft of stiff leaves; widely cultivated in the tropics.

Booby trap and pineapple are semantically related in something that blows up topic. You can use "Booby trap" instead a noun "Pineapple".