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

Sanatorium
Scoundrel
Salamandar
Sarcasm

The correct answer is C. Salamandar. The correct spelling is salamander.

A sanatorium is a place where people go to recover from illness or injury. A scoundrel is a person who is dishonest or immoral. Sarcasm is a type of humor that is used to mock or insult someone.