wildness vs savageness

wildness and savageness both are nouns.

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

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

Other hyponyms of wildness include savagery.

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