How many letters does the top answer for “a receptacle for urination or defecation in the bedroom” have?

The most common answer is chamberpot (10 letters).

Crossword clue: a receptacle for urination or defecation in the bedroom

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

chamberpot 10 letters wn-def

a receptacle for urination or defecation in the bedroom

potty 5 letters wn-def

a receptacle for urination or defecation in the bedroom