Cered vs Dered - What's the difference?

As verbs the difference between cered and dered

is that cered is past tense of cere while dered is past tense of dere.

(head)

(cere)

(en noun)

(ornithology) A waxy protuberance at the base of the upper beak in certain birds.

(cer)

To wax; to cover or close with wax.

(Wiseman)

* ----

(head)

(dere)