Which of the following is INCORRECTLY spelled.

Oppresion  

The incorrectly spelled word is Oppresion. The correct spelling is Oppression.

The other words are spelled correctly.

• Dermatologist is a doctor who specializes in the skin, hair, and nails.
• Diagnose is to identify a disease or condition by examining the signs and symptoms.
• Surrogate is someone who takes the place of another person, especially in a legal or medical context.