furiousness vs vehemence

furiousness and vehemence both are nouns.

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

As nouns, furiousness and vehemence are synonyms defined as:

Other synonyms of furiousness include ferocity, fierceness, fury, violence, wildness.

furiousness (noun)	vehemence (noun)
the property of being wild or turbulent	the property of being wild or turbulent
	intensity or forcefulness of expression