godchild vs babe

godchild and babe both are nouns.

Word	Noun	Adjective	Verb	Adverb
godchild	Yes	No	No	No
babe	Yes	No	No	No

As nouns, babe is a hypernym of godchild; that is, babe is a word with a broader meaning than godchild:

godchild: an infant who is sponsored by an adult (the godparent) at baptism
babe: a very young child (birth to 1 year) who has not yet begun to walk or talk

Other hypernyms of godchild include baby, infant.

godchild (noun)	babe (noun)
an infant who is sponsored by an adult (the godparent) at baptism	a very young child (birth to 1 year) who has not yet begun to walk or talk