<span class="searchmatch">difficillimīs</span> dative/ablative masculine/feminine/neuter plural of difficillimus...
<span class="searchmatch">difficillimī</span> inflection of difficillimus: nominative/vocative masculine plural genitive masculine/neuter singular...
ablative difficillimō difficillimā difficillimō <span class="searchmatch">difficillimīs</span> vocative difficillime difficillima difficillimum <span class="searchmatch">difficillimī</span> difficillimae difficillima...