vocal band vs vocal cord

vocal band and vocal cord both are nouns.

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

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

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

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

vocal band (noun)	vocal cord (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