busyness vs activeness

busyness and activeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
busyness	Yes	No	No	No
activeness	Yes	No	No	No

As nouns, activeness is a hypernym of busyness; that is, activeness is a word with a broader meaning than busyness:

busyness: the state of being or appearing to be actively engaged in an activity
activeness: the state of being active

Other hypernyms of busyness include action, activity.

busyness (noun)	activeness (noun)
the state of being or appearing to be actively engaged in an activity	the trait of being active; moving or acting rapidly and energetically
	the state of being active