Based on the following list of items, write a new list with items that belong to a related category but are completely different in nature.

apples
oranges
bananas
grapes
tomatoes
pears
plums
peaches
watermelons
mangoes
pineapples
strawberries
blueberries
raspberries
blackberries
apricots

To create a new list with items that belong to a related category but are completely different in nature, we need to identify the common category among the items given and then find different items that belong to the same category.

From the list provided, the common category among the items is fruits. To create a new list with different items that are still fruits, we can include the following:

1. Kiwis
2. Cherries
3. Avocados
4. Guavas
5. Lemons
6. Limes
7. Papayas
8. Cranberries
9. Passion Fruits
10. Mangosteens

These items still belong to the fruit category but are different in nature compared to the initial list.