As nouns the difference between governer and flywheel
is that governer is while flywheel is a rotating mass used to maintain the speed of a machine within certain limits while the machine receives or releases energy at a varying rate.
As nouns the difference between manager and governer
is that manager is a person whose job is to manage something, such as a business, a restaurant, or a sports team while governer is an alternative spelling of lang=en.
As nouns the difference between ruler and governer
is that ruler is a (usually rigid), flat, rectangular measuring or drawing device with graduations in units of measurement; a rule; a straightedge with markings; a measure while governer is .