How many letters does the top answer for “the finnic language spoken by the cheremis” have?

The most common answer is mari (4 letters).

Crossword clue: the finnic language spoken by the cheremis

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

mari 4 letters wn-def

the Finnic language spoken by the Cheremis

a finnic language spoken by the veps 60% similar → vepsian

the finnic language spoken by the komi 60% similar → zyrian

the finnic language spoken by the votyak 60% similar → udmurt