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

The most common answer is fen (3 letters).

Crossword clue: another word for marsh

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

fen 3 letters gen-syn

low-lying wet land with grassy vegetation; usually is a transition zone between land and water

fenland 7 letters gen-syn

low-lying wet land with grassy vegetation; usually is a transition zone between land and water

marshland 9 letters gen-syn

low-lying wet land with grassy vegetation; usually is a transition zone between land and water

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