Can someone tell me the answers to everything.

i cai cai cai cai cai cai cai cai cai cai cai cai cai cai cai cai cai cai cai cai cai ca

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.

a fashion movement

sorry if this is wrong