How many letters does the top answer for “the act of branching out or dividing into branches” have?

The most common answer is forking (7 letters).

Crossword clue: the act of branching out or dividing into branches

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

forking 7 letters wn-def

the act of branching out or dividing into branches

ramification 12 letters wn-def

the act of branching out or dividing into branches