How do I find the root word suffix and prefix of dermatologist?

* Root Word: "derm"

* This comes from the Greek word "derma," meaning "skin."

* Suffix: "-ologist"

* This suffix means "one who studies or specializes in."

* Prefix: There is no prefix in the word "dermatologist."

Therefore, the word "dermatologist" means "one who studies or specializes in skin."