How many letters does the top answer for “in an ecclesiastical manner; according ecclesiastical rules.” have?

The most common answer is ecclesiastically (16 letters).

Crossword clue: in an ecclesiastical manner; according ecclesiastical rules.

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

ecclesiastically 16 letters web-def

in an ecclesiastic manner