begetter vs dad

begetter and dad both are nouns.

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

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

Other hyponyms of begetter include dada, daddy, pa, papa, pappa, pop, father-in-law, old man, pater.

begetter (noun)	dad (noun)
a male parent (also used as a term of address to your father)	an informal term for a father; probably derived from baby talk