Desats vs Derats - What's the difference?

As verbs the difference between desats and derats

is that desats is third-person singular of desat while derats is third-person singular of derat.

(head)

(desat)

(desaturation)

(symptom) (of the oxygen saturation level in one's haemoglobin) to decrease

(medicine, of a person) To undergo a decrease in the oxygen saturation level in the haemoglobin).

* ----

(head)

(derat)

* * * * * *

To remove the rats from something.