<span class="searchmatch">rarefizesse</span> first/third-person singular imperfect subjunctive of rarefazer...
<span class="searchmatch">rarefizesses</span> second-person singular imperfect subjunctive of rarefazer...
rarefaças rarefaça rarefaçamos rarefaçais rarefaçam Imperfect <span class="searchmatch">rarefizesse</span> <span class="searchmatch">rarefizesses</span> <span class="searchmatch">rarefizesse</span> rarefizéssemos rarefizésseis rarefizessem Future rarefizer...