<span class="searchmatch">excelsissimis</span> dative/ablative masculine/feminine/neuter plural of excelsissimus...
<span class="searchmatch">excelsissimī</span> inflection of excelsissimus: nominative/vocative masculine plural genitive masculine/neuter singular...
ablative excelsissimō excelsissimā excelsissimō <span class="searchmatch">excelsissimīs</span> vocative excelsissime excelsissima excelsissimum <span class="searchmatch">excelsissimī</span> excelsissimae excelsissima...