activation vs indweller

activation and indweller both are nouns.

Word	Noun	Adjective	Verb	Adverb
activation	Yes	No	No	No
indweller	Yes	No	No	No

As nouns, indweller is a hyponym of activation; that is, indweller is a word with a more specific, narrower meaning than activation:

activation (noun)	indweller (noun)
the activity of causing to have energy and be active	a person who inhabits a particular place
making active and effective (as a bomb)	activation by an inner spirit or force or principle
stimulation of activity in an organism or chemical