<span class="searchmatch">cassubicīs</span> dative/ablative masculine/feminine/neuter plural of cassubicus...
<span class="searchmatch">cassubicī</span> inflection of cassubicus: nominative/vocative masculine plural genitive masculine/neuter singular...
cassubicō <span class="searchmatch">cassubicīs</span> accusative cassubicum cassubicam cassubicum cassubicōs cassubicās cassubica ablative cassubicō cassubicā cassubicō <span class="searchmatch">cassubicīs</span> vocative...