Derates vs Derats - What's the difference?

As verbs the difference between derates and derats

is that derates is third-person singular of derate while derats is third-person singular of derat.

(head)

(derate)

* * * * * *

(derat)

To lower the rated capability of any rated equipment or material.

The derated engine sold at a lower price, but had the same components as the standard model.

* * * *

(head)

(derat)

* * * * * *

To remove the rats from something.