stasis vs inactiveness

stasis and inactiveness both are nouns.

Word	Noun	Adjective	Verb	Adverb
stasis	Yes	No	No	No
inactiveness	Yes	No	No	No

As nouns, inactiveness is a hypernym of stasis; that is, inactiveness is a word with a broader meaning than stasis:

Other hypernyms of stasis include inaction, inactivity.

stasis (noun)	inactiveness (noun)
inactivity resulting from a static balance between opposing forces	a disposition to remain inactive or inert
an abnormal state in which the normal flow of a liquid (such as blood) is slowed or stopped	the state of being inactive