wastegate

Wikidiffcom is likely misspelled.

Wikidiffcom has no English definition.

As a noun wastegate is

a valve that diverts exhaust gases.

As nouns the difference between valve and wastegate

is that valve is a device that controls the flow of a gas or fluid through a pipe while wastegate is a valve that diverts exhaust gases.

As a verb valve

is to control (flow) by means of a valve.