How many letters does the top answer for “the act of bending the knees in worship or reverence” have?

The most common answer is genuflection (12 letters).

Crossword clue: the act of bending the knees in worship or reverence

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

genuflection 12 letters wn-def

the act of bending the knees in worship or reverence

genuflexion 11 letters wn-def

the act of bending the knees in worship or reverence