He deeply believes in conspiracy theories.

He strongly supports royalism.

He is an expert in ring theory and has written many papers in the field.

Morphology is a part of linguistics that studies the structure of words.

He is majoring in semantics at university.

We have developed a new methodology to solve this problem.

He is deepening his research on eschatology.

He was a fatalist, believing that all events are determined by fate.

Syntax is a branch of linguistics.

He is majoring in syntax at university.