vestibular sense vs sense of equilibrium

vestibular sense and sense of equilibrium both are nouns.

Word	Noun	Adjective	Verb	Adverb
vestibular sense	Yes	No	No	No
sense of equilibrium	Yes	No	No	No

As nouns, vestibular sense and sense of equilibrium are synonyms defined as:

vestibular sense and sense of equilibrium: a sensory system located in structures of the inner ear that registers the orientation of the head

Other synonyms of vestibular sense include equilibrium, labyrinthine sense, sense of balance.

vestibular sense (noun)	sense of equilibrium (noun)
a sensory system located in structures of the inner ear that registers the orientation of the head	a sensory system located in structures of the inner ear that registers the orientation of the head