How many letters does the top answer for “an english coin of the value of half a penny; also, the value of half a penny.” have?

The most common answer is halfpenny (9 letters).

Crossword clue: an english coin of the value of half a penny; also, the value of half a penny.

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

halfpenny 9 letters web-def

an English coin worth half a penny

an english coin worth half a penny 57% similar → halfpenny