How many letters does the top answer for “emitting or filled with bubbles as from carbonation or fermentation” have?

The most common answer is effervescing (12 letters).

Crossword clue: emitting or filled with bubbles as from carbonation or fermentation

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

effervescing 12 letters wn-def

emitting or filled with bubbles as from carbonation or fermentation

spumy 5 letters wn-def

emitting or filled with bubbles as from carbonation or fermentation