Out of the given four words only one is not spelt correctly. Find the word that is not correctly spelt.

The correct answer is "Ampleefier"

Key Points

•  The word that is not spelt correctly is "Ampleefier", The correct spelling of this word is "Amplifier"
• Amplifier: A device that makes a signal or sound stronger.
                 Example: He used an amplifier to make his voice heard by the crowd.
• Thus, the only word that is not spelt correctly is "Ampleefier"

Correct answer: Ampleefier

Additional Information 

• Atheist: A person who does not believe in the existence of a god or gods.
  • Example: My father is an atheist, he does not believe in any religion.
• According: In accordance with; as stated or agreed.
  • Example: According to the contract, the payment was due last week.
• Amateur: A person who engages in a pursuit, especially a sport, on an unpaid basis.
  • Example: She is an amateur golfer, she plays for fun and not for money.