calcification vs inactivity

calcification and inactivity both are nouns.

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

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

Other hypernyms of calcification include inaction, inactiveness.

calcification (noun)	inactivity (noun)
a process that impregnates something with calcium (or calcium salts)	being inactive; being less active
tissue hardened by deposition of lime salts	a disposition to remain inactive or inert
an inflexible and unchanging state	the state of being inactive