How many letters does the top answer for “a relatively large open container that you fill with water and use to wash the body” have?

The most common answer is bathtub (7 letters).

Crossword clue: a relatively large open container that you fill with water and use to wash the body

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

bathtub 7 letters wn-def

a relatively large open container that you fill with water and use to wash the body

tub 3 letters wn-def

a relatively large open container that you fill with water and use to wash the body