vestibular sense vs sense of balance

vestibular sense and sense of balance both are nouns.

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

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

vestibular sense and sense of balance: 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 equilibrium.

vestibular sense (noun)	sense of balance (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