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

The most common answer is gumweed (7 letters).

Crossword clue: another word for rosinweed

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

gumweed 7 letters gen-syn

any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally

tarweed 7 letters gen-syn

any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally

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