Multiple fruit and Pineapple

Multiple fruit noun - Fruit consisting of many individual small fruits or drupes derived from separate ovaries within a common receptacle: e.g. blackberry; raspberry; pineapple.

Pineapple and multiple fruit are semantically related. in composite fruit topic. In some cases you can use "Pineapple" instead a noun phrase "Multiple fruit".

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

Multiple fruit and pineapple are semantically related. You can use "Multiple fruit" instead a noun "Pineapple".