How many letters does the top answer for “having or marked by a strong tendency especially a controversial one” have?

The most common answer is tendencious (11 letters).

Crossword clue: having or marked by a strong tendency especially a controversial one

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

tendencious 11 letters wn-def

having or marked by a strong tendency especially a controversial one

tendentious 11 letters wn-def

having or marked by a strong tendency especially a controversial one