Term: ferocity

ferocity (noun) /fəˈrɒs.ə.ti/

Similar to: fierceness; brutality; aggression; intensity; savagery; vehemence
Definition: The state or quality of being ferocious; savage fierceness, wild cruelty, or intense, uncontrolled force.
Translation: niknums, mežonīgums, nežēlība, intensitāte
Examples:
“The lions fought with terrifying ferocity over the territory.”
“We were shocked by the ferocity of the storm as it battered the coastline.”