kinaesthesia vs kinaesthesis

kinaesthesia and kinaesthesis both are nouns.

Word	Noun	Adjective	Verb	Adverb
kinaesthesia	Yes	No	No	No
kinaesthesis	Yes	No	No	No

As nouns, kinaesthesia and kinaesthesis are synonyms defined as:

kinaesthesia and kinaesthesis: the ability to feel movements of the limbs and body

Other synonyms of kinaesthesia include kinesthesia, kinesthesis, kinesthetics, muscle sense, sense of movement.

kinaesthesia (noun)	kinaesthesis (noun)
the perception of body position and movement and muscular tensions etc	the ability to feel movements of the limbs and body
the ability to feel movements of the limbs and body