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

The most common answer is coldcock (8 letters).

Crossword clue: another word for floor

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

coldcock 8 letters gen-syn

knock down with force

deck 4 letters gen-syn

any of various platforms built into a vessel

flooring 8 letters gen-syn

the inside lower horizontal surface (as of a room, hallway, tent, or other structure)

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