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

Precaution
Plebiscite
Prarie
Penance

The correct answer is C. Prarie. The correct spelling is prairie.

A precaution is a measure taken to prevent something undesirable from happening. A plebiscite is a direct vote by the electorate on a particular issue. Penance is an act of self-denial or mortification performed to atone for sin.

The word prairie is often misspelled as prarie. This is

likely because the word prairie comes from the French word prairie, which is pronounced with a long a sound. However, the English word prairie is pronounced with a short a sound.