dada vs dad

dada and dad both are nouns.

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

As nouns, dada and dad are synonyms defined as:

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

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

dada (noun)	dad (noun)
a nihilistic art movement (especially in painting) that flourished in Europe early in the 20th century; based on irrationality and negation of the accepted laws of beauty	an informal term for a father; probably derived from baby talk
an informal term for a father; probably derived from baby talk