Here's a guess, an engine has an expansion chamber from which work is derived.

Steam engine
Diesel
Gasoline
Turbine??

Motor derives energy from outside source and converts it to work.
Electric motor
Windmill
Water wheel

But wait, windmills and water wheels are impulse turbines. So maybe a turbine is a motor? But it has an internal expansion chamber.

Got me.

My kids would call them all "thingies".

Botnst