savageness vs vehemence

savageness and vehemence both are nouns.

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

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

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

savageness (noun)	vehemence (noun)
the property of being untamed and ferocious	the property of being wild or turbulent
	intensity or forcefulness of expression