false vocal fold vs vestibular fold

false vocal fold and vestibular fold both are nouns.

Word	Noun	Adjective	Verb	Adverb
false vocal fold	Yes	No	No	No
vestibular fold	Yes	No	No	No

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

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

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

false vocal fold (noun)	vestibular fold (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