violence vs Sturm und Drang

violence and Sturm und Drang both are nouns.

Word	Noun	Adjective	Verb	Adverb
violence	Yes	No	No	No
Sturm und Drang	Yes	No	No	No

As nouns, Sturm und Drang is a hypernym of violence; that is, Sturm und Drang is a word with a broader meaning than violence:

violence: a turbulent state resulting in injuries and destruction etc.
Sturm und Drang: a state of violent disturbance and disorder (as in politics or social conditions generally)

Other hypernyms of violence include turbulence, upheaval.

violence (noun)	Sturm und Drang (noun)
an act of aggression (as one against a person who resists)	a state of violent disturbance and disorder (as in politics or social conditions generally)
the property of being wild or turbulent
a turbulent state resulting in injuries and destruction etc.