<span class="searchmatch">rarefactūram</span> accusative feminine singular of rarefactūrus...
rarefactūrō rarefactūrae rarefactūrō rarefactūrīs accusative rarefactūrum <span class="searchmatch">rarefactūram</span> rarefactūrum rarefactūrōs rarefactūrās rarefactūra ablative rarefactūrō...