vestibular fold vs superior vocal cord

vestibular fold and superior vocal cord both are nouns.

Word	Noun	Adjective	Verb	Adverb
vestibular fold	Yes	No	No	No
superior vocal cord	Yes	No	No	No

As nouns, vestibular fold and superior vocal cord are synonyms defined as:

vestibular fold and superior vocal cord: either of the upper two vocal cords that are not involved in vocalization

Other synonyms of vestibular fold include false vocal cord, false vocal fold, ventricular fold.

vestibular fold (noun)	superior vocal cord (noun)
either of the upper two vocal cords that are not involved in vocalization	either of the upper two vocal cords that are not involved in vocalization