ferocitas: ferocia (mostly of natural and wild courage: ferocia, as a habit; ferocitas, as showing itself in action, Döderlein; but also used of vehemence of character, sometimes in a good, but mostly in a bad sense): furor (fury): saevitia (cruelty): saeva vis alicujus rei (the violence of anything; e.g., of an illness, morbi). To tame, etc., anybody’s fierceness, ferocitatem alicujus comprimere.