<span class="searchmatch">cassubicōrum</span> genitive masculine/neuter plural of cassubicus...
cassubicae cassubica genitive cassubicī cassubicae cassubicī <span class="searchmatch">cassubicōrum</span> cassubicārum <span class="searchmatch">cassubicōrum</span> dative cassubicō cassubicae cassubicō cassubicīs accusative...