For theatre does anyone know ?

The first one is correct as well, but remove characters that get hurt, it’s wrong, I stopped taking theatre but this is pretty easy!

I would say the first one and those last three

Explanation:

your word would be isle.

isle is an island or peninsula especially a small one.

if you add the letter "a" you get aisle, which is a passage between 2 rows of something like chairs, shelves, or something else.