How many letters does the top answer for “an informal term for a father; probably derived from baby talk” have?

The most common answer is dad (3 letters).

Crossword clue: an informal term for a father; probably derived from baby talk

5 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

dad 3 letters wn-def

an informal term for a father; probably derived from baby talk

daddy 5 letters wn-def

an informal term for a father; probably derived from baby talk

pa 2 letters wn-def

an informal term for a father; probably derived from baby talk

papa 4 letters wn-def

an informal term for a father; probably derived from baby talk

pop 3 letters wn-def

hit a pop-fly