-logy, -logist
-logy means a specialty or field of study, and -logist means the specialist (Greek).
"OL-uh-jee / OL-uh-jist." Coach: "Logy names the field; logist names the specialist."
Examples: cardiology, cardiologist, neurology, neurologist, oncology.
Also: oncologist, pathology, pathologist, radiology, radiologist.