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

Catastrophe
Cenetanarian
Commissioner
Confectionary

The correct answer is: B. Cenetanarian

A. Catastrophe is a noun that means a great and sudden misfortune, disaster, or calamity. It is spelled correctly.

B. Cenetanarian is a noun that means a person who is 100 years old or older. It is spelled incorrectly. The correct spelling is centenarian.

C. Commissioner is a noun that means a person who is appointed to a position of authority in a government or other organization. It is spelled correctly.

D. Confectionery is a noun that means a shop or factory where confectionery is made or sold. It is spelled correctly.