What are the differences between a shop vac and a pump vac, and which one would be more suitable for cleaning up water spills in a workshop?

A shop vac is designed to handle both wet and dry messes, while a pump vac is specifically for pumping water. A shop vac would be more suitable for cleaning up water spills in a workshop as it can handle a variety of messes, including water, whereas a pump vac is more specialized for water removal.