<span class="searchmatch">cūpārum</span> genitive plural of cūpa...
singular plural nominative cūpa cūpae genitive cūpae <span class="searchmatch">cūpārum</span> dative cūpae cūpīs accusative cūpam cūpās ablative cūpā cūpīs vocative cūpa cūpae...