papa vs dad

papa and dad both are nouns.

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

As nouns, papa and dad are synonyms defined as:

papa and dad: an informal term for a father; probably derived from baby talk

Other synonyms of papa include dada, daddy, pa, pappa, pop.

papa (noun)	dad (noun)
an informal term for a father; probably derived from baby talk	an informal term for a father; probably derived from baby talk