father vs dada

father and dada both are nouns.

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

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

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

father (noun)	dada (noun)
a male parent (also used as a term of address to your father)	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
the founder of a family	an informal term for a father; probably derived from baby talk
a person who holds an important or distinguished position in some organization
a person who founds or establishes some institution
the head of an organized crime family

father (verb)	dada (verb)
make (offspring) by reproduction