How many letters does the top answer for “another word for guilder” have?

The most common answer is florin (6 letters).

Crossword clue: another word for guilder

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

florin 6 letters gen-syn

formerly the basic unit of money in the Netherlands; equal to 100 cents

gulden 6 letters gen-syn

formerly the basic unit of money in the Netherlands; equal to 100 cents

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase