pater vs begetter

pater and begetter both are nouns.

Word	Noun	Adjective	Verb	Adverb
pater	Yes	No	No	No
begetter	Yes	No	No	No

As nouns, begetter is a hypernym of pater; that is, begetter is a word with a broader meaning than pater:

pater: an informal use of the Latin word for father; sometimes used by British schoolboys or used facetiously
begetter: a male parent (also used as a term of address to your father)

Other hypernyms of pater include father, male parent.

pater (noun)	begetter (noun)
an informal use of the Latin word for father; sometimes used by British schoolboys or used facetiously	a male parent (also used as a term of address to your father)