How many letters does the top answer for “the quality of being universal; existing everywhere” have?

The most common answer is catholicity (11 letters).

Crossword clue: the quality of being universal; existing everywhere

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

catholicity 11 letters wn-def

the quality of being universal; existing everywhere

universality 12 letters wn-def

the quality of being universal; existing everywhere