How many letters does the top answer for “a sect of reformers opposed to the church of rome in the 12th centuries.” have?

The most common answer is albigenses (10 letters).

Crossword clue: a sect of reformers opposed to the church of rome in the 12th centuries.

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

albigenses 10 letters web-def

a Christian religious sect in southern France in the 12th and 13th centuries; believers in Albigensianism

albigeois 9 letters web-def

A sect of reformers opposed to the church of Rome in the 12th centuries.