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

The most common answer is adage (5 letters).

Crossword clue: another word for proverb

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

adage 5 letters gen-syn

a condensed but memorable saying embodying some important fact of experience that is taken as true by many people

byword 6 letters gen-syn

a condensed but memorable saying embodying some important fact of experience that is taken as true by many people

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