Shops and business sometimes employ professional sign writers. Do we still need professional sign writers or is this a dead/dying art?

Sign writers design, manufacture and install signs, including advertising signs for shops, businesses and public facilities as well ... Traditional signwriters use methods closely related to those of their forebears in this craft and do not ... Designs are often created by hand on the drawing board and later combined with CAD It was so easy for a new tenant to call Martin to do the job of lettering , for Martin's ... just at the moment when he found himself in need of a sign writer's services . John Martin has a big shop now , but he has not forsaken the little gummed label ... The two other , older firms have now adopted the same device

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.

they most likely have a instrumental version. just look it up on google.