How many letters does the top answer for “an expressive style that uses excessive or empty words” have?

The most common answer is verboseness (11 letters).

Crossword clue: an expressive style that uses excessive or empty words

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

verboseness 11 letters wn-def

an expressive style that uses excessive or empty words

verbosity 9 letters wn-def

an expressive style that uses excessive or empty words