However, depending on the specific aspect of the Earth they study, there are many other names:

* Geomorphologist: Studies the Earth's surface features and their formation.

* Petrologist: Studies rocks and their formation.

* Mineralogist: Studies minerals.

* Seismologist: Studies earthquakes and the Earth's interior.

* Paleontologist: Studies fossils and ancient life.

* Oceanographer: Studies the oceans.

* Meteorologist: Studies the atmosphere and weather.

* Climatologist: Studies climate and climate change.

* Environmental Scientist: Studies the interactions between humans and the environment.

So, "geologist" is a broad term, and there are many different specialties within the field.