<span class="searchmatch">cirkusnumrets</span> definite genitive singular of cirkusnummer...
genitive singular indefinite cirkusnummer cirkusnummers definite <span class="searchmatch">cirkusnumret</span> <span class="searchmatch">cirkusnumrets</span> plural indefinite cirkusnummer cirkusnummers definite cirkusnumren...