bandanna vs hanky

bandanna and hanky both are nouns.

Word	Noun	Adjective	Verb	Adverb
bandanna	Yes	No	No	No
hanky	Yes	No	No	No

As nouns, hanky is a hypernym of bandanna; that is, hanky is a word with a broader meaning than bandanna:

bandanna: large and brightly colored handkerchief; often used as a neckerchief
hanky: a square piece of cloth used for wiping the eyes or nose or as a costume accessory

Other hypernyms of bandanna include handkerchief, hankey, hankie.

bandanna (noun)	hanky (noun)
large and brightly colored handkerchief; often used as a neckerchief	a square piece of cloth used for wiping the eyes or nose or as a costume accessory