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

The most common answer is sargasso (8 letters).

Crossword clue: another word for gulfweed

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

sargasso 8 letters gen-syn

brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea

sargassum 9 letters gen-syn

brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea

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