Find out that word, the spelling of which is wrong.

Pellicle
Pilgrimage
Portrait
Parepet

The correct answer is D. Parepet.

A pellicle is a thin skin or membrane. A pilgrimage is a journey to a holy place. A portrait is a painting, drawing, photograph, or engraving of a person, especially one depicting the face. A parapet is a low wall along the edge of a roof, balcony, or bridge.

The word “parepet” is spelled incorrectly because it has an extra “e”. The correct spelling is “parapet”.