hypotonia vs hypotonicity

hypotonia and hypotonicity both are nouns.

Word	Noun	Adjective	Verb	Adverb
hypotonia	Yes	No	No	No
hypotonicity	Yes	No	No	No

As nouns, hypotonia and hypotonicity are synonyms defined as:

hypotonia and hypotonicity: (of muscular tissue) the state of being hypotonic

Other synonyms of hypotonia include hypotonus.

hypotonia (noun)	hypotonicity (noun)
(of muscular tissue) the state of being hypotonic	(of muscular tissue) the state of being hypotonic
	(of a solution) the extent to which a solution has a lower osmotic pressure than some other