How many letters does the top answer for “someone whose reasoning is subtle and often specious” have?

The most common answer is casuist (7 letters).

Crossword clue: someone whose reasoning is subtle and often specious

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

casuist 7 letters wn-def

someone whose reasoning is subtle and often specious

sophist 7 letters wn-def

someone whose reasoning is subtle and often specious