How many letters does the top answer for “wrote cards on the table” have?

The most common answer is christie (8 letters).

Crossword clue: wrote cards on the table

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

christie 8 letters wd-fact-v3

prolific English writer of detective stories (1890-1976)

author of cards on the table 50% similar → christie

wrote rudolphine tables 50% similar → brahe, kepler

wrote the periodic table 50% similar → levi