How many letters does the top answer for “a silver coin of persia, worth about twenty cents.” have?

The most common answer is abassi (6 letters).

Crossword clue: a silver coin of persia, worth about twenty cents.

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

abassi 6 letters web-def

A silver coin of Persia, worth about twenty cents.

abassis 7 letters web-def

A silver coin of Persia, worth about twenty cents.

a silver coin of ecuador, worth 68 cents. 57% similar → sucre