How many letters does the top answer for “a port city in western france on the loire estuary” have?

The most common answer is nantes (6 letters).

Crossword clue: a port city in western france on the loire estuary

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

nantes 6 letters wn-def

a port city in western France on the Loire estuary