Which key is located just to the left of f major on the circle of fifths that is which key has one more flat that f major?

The key that is located to the left of F Major is Bb otherwise known as (B flat).

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.

where is the excerpt?