How many letters does the top answer for “a b vitamin that prevents beriberi; maintains appetite and growth” have?

The most common answer is aneurin (7 letters).

Crossword clue: a b vitamin that prevents beriberi; maintains appetite and growth

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

aneurin 7 letters wn-def

a B vitamin that prevents beriberi; maintains appetite and growth

thiamin 7 letters wn-def

a B vitamin that prevents beriberi; maintains appetite and growth

thiamine 8 letters wn-def

a B vitamin that prevents beriberi; maintains appetite and growth