How many letters does the top answer for “the place where something divides into branches” have?

The most common answer is furcation (9 letters).

Crossword clue: the place where something divides into branches

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

furcation 9 letters wn-def

the place where something divides into branches

a determination of the place where something is 50% similar → localisation, localization, locating