repose vs inactivity

repose and inactivity both are nouns.

Word	Noun	Adjective	Verb	Adverb
repose	Yes	No	Yes	No
inactivity	Yes	No	No	No

As nouns, inactivity is a hypernym of repose; that is, inactivity is a word with a broader meaning than repose:

repose (noun)	inactivity (noun)
freedom from activity (work or strain or responsibility)	being inactive; being less active
a disposition free from stress or emotion	a disposition to remain inactive or inert
the absence of mental stress or anxiety	the state of being inactive

repose (verb)	inactivity (verb)
put or confide something in a person or thing
lie when dead
put in a horizontal position
lean in a comfortable resting position
to put something (eg trust) in something
be inherent or innate in