word choice - Which verb is better to express the "functioning" of a "pump" and a "pump motor"?

It would be useful if you gave sample sentences of what interests you. There are many ways to describe the operation of a pump.

For example:

The pump hums with quiet efficiency.

The pump whines as the load increases.

The pump pushes the liquid from the lower to higher level.

A pump draws the water from the well.

The pump boosts the pressure of the water from the firetruck to the fire fighter's nozzle.

There are several other verbs that could be used with the word "pump".

Words like "run" and "operate" does not really say much about the use or function of a pump.