neb vs cere

neb and cere both are nouns.

Word	Noun	Adjective	Verb	Adverb
neb	Yes	No	No	No
cere	Yes	No	Yes	No

As nouns, cere is a hyponym of neb; that is, cere is a word with a more specific, narrower meaning than neb:

neb (noun)	cere (noun)
horny projecting mouth of a bird	the fleshy, waxy covering at the base of the upper beak of some birds
a long projecting or anterior elongation of an animal's head; especially the nose

neb (verb)	cere (verb)
	wrap up in a cerecloth