How many letters does the top answer for “a square piece of cloth used for wiping the eyes or nose or as a costume accessory” have?

The most common answer is handkerchief (12 letters).

Crossword clue: a square piece of cloth used for wiping the eyes or nose or as a costume accessory

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

handkerchief 12 letters wn-def

a square piece of cloth used for wiping the eyes or nose or as a costume accessory

hankie 6 letters wn-def

a square piece of cloth used for wiping the eyes or nose or as a costume accessory

hanky 5 letters wn-def

a square piece of cloth used for wiping the eyes or nose or as a costume accessory