<span class="searchmatch">perfideste</span> inflection of perfide: strong/mixed nominative/accusative feminine singular superlative degree strong nominative/accusative plural superlative...
<span class="searchmatch">perfidestes</span> strong/mixed nominative/accusative neuter singular superlative degree of perfide...
perfidesten <span class="searchmatch">perfideste</span> <span class="searchmatch">perfidestes</span> <span class="searchmatch">perfideste</span> weak declension (with definite article) nominative der <span class="searchmatch">perfideste</span> die <span class="searchmatch">perfideste</span> das <span class="searchmatch">perfideste</span> die perfidesten...