He is interested in toponymy.

He is majoring in logic.

He has a deep interest in numismatics.

Graphology is a study that interprets a person's character and abilities from their handwriting.

He is writing a thesis on geomorphology.

He is an expert in osteology.

We should always remember the power of Kannon in difficult times.

He went to America as an international student.

My older brother is attending a college in Tokyo.

He proposed a new theory about quantum mechanics.