vestibular fold vs ventricular fold

vestibular fold and ventricular fold both are nouns.

Word	Noun	Adjective	Verb	Adverb
vestibular fold	Yes	No	No	No
ventricular fold	Yes	No	No	No

As nouns, vestibular fold and ventricular fold are synonyms defined as:

vestibular fold and ventricular fold: 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, superior vocal cord.

vestibular fold (noun)	ventricular 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