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

The correct answer is D. The correct spelling of the word is “clarify”.

The word “clearify” is not a word in the English language. The correct spelling of the word is “clarify”. To clarify something means to make it clearer or easier to understand. For example, you might clarify a point in a conversation by providing more information or examples.

The words “soldier”, “beautiful”, and “infinite” are all spelled correctly. A soldier is a person who serves in an army. Beautiful is an adjective that means very attractive or pleasing to look at. Infinite is an adjective that means endless or without limit.