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

The most common answer is manufactory (11 letters).

Crossword clue: another word for factory

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

manufactory 11 letters gen-syn

a plant consisting of one or more buildings with facilities for manufacturing

mill 4 letters gen-syn

a plant consisting of one or more buildings with facilities for manufacturing

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