papa vs pappa

papa and pappa both are nouns.

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

As nouns, papa and pappa are synonyms defined as:

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

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

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