The suffix is the words added to the root word at the end. The suffix and the root word that best describes the inflammation of the ear is otitis. Thus, option D is correct.
Otitis is the word used to describe the infection and inflammation of the ear in organisms due to bacteria or viruses. It occurs due to the fluid build-up in the ear leading to infection.
Oto- is the root word that means ear and - itis is the suffix that means inflammation and infection. Suffixes are the words added at the end of the root word to add some meaning to the previous word.
Therefore, otitis is the correct word to describe the inflammation of the ear.
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