How many letters does the top answer for “withdrawing support or help despite allegiance or responsibility” have?

The most common answer is defection (9 letters).

Crossword clue: withdrawing support or help despite allegiance or responsibility

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

defection 9 letters wn-def

withdrawing support or help despite allegiance or responsibility

desertion 9 letters wn-def

withdrawing support or help despite allegiance or responsibility