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

The most common answer is curbing (7 letters).

Crossword clue: another word for curb

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

curbing 7 letters gen-syn

an edge between a sidewalk and a roadway consisting of a line of curbstones

kerb 4 letters gen-syn

an edge between a sidewalk and a roadway consisting of a line of curbstones

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