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

The correct answer is A. Etiquete. The correct spelling is etiquette.

Etiquette is a code of polite behavior in society or among members of a particular profession or group. It is a set of conventional rules that are accepted as appropriate and necessary in social, professional, or official life.

Ethnic is an adjective that means relating to a particular race or culture. It can also be used as a noun to refer to a person of a particular race or culture.

Ethereal is an adjective that means of or relating to the sky or the heavens. It can also

Eulogize is a verb that means to praise someone or something highly, especially in a speech or writing.