How many letters does the top answer for “topology philosopher” have?

The most common answer is poincare (8 letters).

Crossword clue: topology philosopher

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

poincare 8 letters wd-fact-v3

algebraic topology philosopher 67% similar → poincare

philosopher philosopher 50% similar → lipps