vocal band vs vocal fold

vocal band and vocal fold both are nouns.

Word	Noun	Adjective	Verb	Adverb
vocal band	Yes	No	No	No
vocal fold	Yes	No	No	No

As nouns, vocal band and vocal fold are synonyms defined as:

vocal band and vocal fold: either of two pairs of folds of mucous membrane projecting into the larynx

Other synonyms of vocal band include plica vocalis, vocal cord.

vocal band (noun)	vocal fold (noun)
either of two pairs of folds of mucous membrane projecting into the larynx	either of two pairs of folds of mucous membrane projecting into the larynx