How many letters does the top answer for “any receptacle in which wafers for the eucharist are kept” have?

The most common answer is pix (3 letters).

Crossword clue: any receptacle in which wafers for the eucharist are kept

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

pix 3 letters wn-def

any receptacle in which wafers for the Eucharist are kept

pyx 3 letters wn-def

any receptacle in which wafers for the Eucharist are kept