упорствовать
obstinare [1];
perseverare
сток
defluvium [ii, n];
вернее
rectius; certius; potius;
accentus [us, m]; vocis sonus [i, m]; tenor [oris, m]; vox [vocis, f] (rustica); tonus, i,m; pronuntiatio [onis, f] extranea/insolita, peregrina insolentia [ae, f];