savageness vs wildness

savageness and wildness both are nouns.

Word	Noun	Adjective	Verb	Adverb
savageness	Yes	No	No	No
wildness	Yes	No	No	No

As nouns, wildness is a hypernym of savageness; that is, wildness is a word with a broader meaning than savageness:

Other hypernyms of savageness include ferocity, fierceness, furiousness, fury, vehemence, violence.

savageness (noun)	wildness (noun)
the property of being untamed and ferocious	an intractably barbarous or uncultivated state of nature
	an unruly disposition to do as one pleases
	the property of being wild or turbulent
	a feeling of extreme emotional intensity