Overkilled vs Overfilled - What's the difference?

As verbs the difference between overkilled and overfilled

is that overkilled is past tense of overkill while overfilled is past tense of overfill.

(head)

(overkill)

(-)

(literally) A destructive capacity that exceeds that needed to destroy an enemy; especially with nuclear weapons.

(idiomatic) An unnecessary excess of whatever is needed to achieve a goal.

24 hours of TV coverage of the US election verged on overkill .

Should I give you yet more homework, or would that be overkill ?

(en verb)

To destroy something with more (nuclear) force than is required.

(head)

(overfill)

(en verb)

To fill beyond capacity or beyond what is appropriate.

(en noun)

An instance of overfilling.