inactivity vs trait

inactivity and trait both are nouns.

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

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

inactivity (noun)	trait (noun)
being inactive; being less active	a distinguishing feature of your personal nature
a disposition to remain inactive or inert
the state of being inactive