<span class="searchmatch">perfidiōsiōrī</span> dative masculine/feminine/neuter singular of perfidiōsior...
<span class="searchmatch">perfidiōsiōris</span> genitive masculine/feminine/neuter singular of perfidiōsior...
genitive <span class="searchmatch">perfidiōsiōris</span> perfidiōsiōrum dative <span class="searchmatch">perfidiōsiōrī</span> perfidiōsiōribus accusative perfidiōsiōrem perfidiōsius perfidiōsiōrēs <span class="searchmatch">perfidiōsiōrīs</span> perfidiōsiōra...