<span class="searchmatch">diffāmāvissēs</span> second-person singular pluperfect active subjunctive of diffāmō...
diffāmāverīmus diffāmāverītis diffāmāverint pluperfect diffāmāvissem <span class="searchmatch">diffāmāvissēs</span> diffāmāvisset diffāmāvissēmus diffāmāvissētis diffāmāvissent passive...