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

The most common answer is approximation (13 letters).

Crossword clue: another word for estimate

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

approximation 13 letters gen-syn

an approximate calculation of quantity or degree or worth

gauge 5 letters gen-syn

judge tentatively or form an estimate of (quantities or time)

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