How many letters does the top answer for “a person excessively concerned about propriety and decorum” have?

The most common answer is prude (5 letters).

Crossword clue: a person excessively concerned about propriety and decorum

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

prude 5 letters wn-def

a person excessively concerned about propriety and decorum

puritan 7 letters wn-def

a person excessively concerned about propriety and decorum