Choose the incorrectly spelt word.

WASSE FITTER COURIER COURSE

WASSE

The incorrectly spelled word is WASSE. The correct spelling is WASE. WASE means a pad used to relieve the pressure of a load carried on the head. FITTER is an adjective that means "in good condition". COURIER is a person who delivers messages or packages. COURSE is a path or way that something follows.