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

Pretentious
Proclaimation
Pronunciation
Promiscuous

The correct answer is D. Promiscuous. The correct spelling is promiscuous.

A. Pretentious is an adjective that means attempting to impress by affecting greater importance, talent, culture, etc., than is actually possessed.

B. Proclaimation is a noun that means a public announcement or declaration.

C. Pronunciation is a noun that means the way in which a word or name is spoken.