How many letters does the top answer for “large and brightly colored handkerchief; often used as a neckerchief” have?

The most common answer is bandana (7 letters).

Crossword clue: large and brightly colored handkerchief; often used as a neckerchief

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

bandana 7 letters wn-def

large and brightly colored handkerchief; often used as a neckerchief

bandanna 8 letters wn-def

large and brightly colored handkerchief; often used as a neckerchief