chilli 和 spicy 和 pepper 的差別在哪裡？如果不好說明，請提供一些例句。

chilli - a specific spice, referring to the chilli pepper flavor or a type of meal that includes ground meat, vegetables, and spices
spicy - meaning the taste is spicy
pepper - meaning black pepper the spice or pepper the vegetable

1. I used chilli pepper instead of jalapeno pepper in the soup this time.

1.1 Chilli tastes the best with cheese on top!

2. This hot sauce is too spicy for me.

3. I picked a green pepper from my garden today.

3.1 I want to put some extra salt and pepper on my steak.

hope this helps!