How many letters does the top answer for “an accusation of crime made by a grand jury on its own initiative” have?

The most common answer is notification (12 letters).

Crossword clue: an accusation of crime made by a grand jury on its own initiative

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

notification 12 letters wn-def

an accusation of crime made by a grand jury on its own initiative

presentment 11 letters wn-def

an accusation of crime made by a grand jury on its own initiative