averting vs avoidance

averting and avoidance both are nouns.

Word	Noun	Adjective	Verb	Adverb
averting	Yes	No	No	No
avoidance	Yes	No	No	No

As nouns, avoidance is a hypernym of averting; that is, avoidance is a word with a broader meaning than averting:

averting: the act of turning yourself (or your gaze) away
avoidance: deliberately avoiding; keeping away from or preventing from happening

Other hypernyms of averting include dodging, shunning, turning away.

averting (noun)	avoidance (noun)
the act of preventing something from occurring	deliberately avoiding; keeping away from or preventing from happening
the act of turning yourself (or your gaze) away