saevĭtas: ātis, f. saevus,I rage, violence, fury (late Lat.), Prud. στεφ. 10, 483; Firm. Math. 5, 5; Ambros. in Luc. 9, § 32; id. de Spirit. Sanc. 3, 16, 117.
sævĭtās, ātis, f. (sævus), cruauté : Prud. Perist. 10, 483.