Is the medical word phagia a suffix or root?

"Phag-" is a root, not a suffix. It means "to eat" or "to swallow".

Here are some examples of words using the "phag-" root:

* Dysphagia: Difficulty swallowing

* Macrophage: A large cell that engulfs and destroys foreign particles

* Phagocytosis: The process of engulfing and destroying foreign particles

* Esophagitis: Inflammation of the esophagus

Let me know if you have any other medical terminology questions!