<span class="searchmatch">vexātiōnis</span> genitive singular of vexātiō...
<span class="searchmatch">vexātiōnī</span> dative singular of vexātiō...
From vexō + -tiō. vexātiō f (genitive <span class="searchmatch">vexātiōnis</span>); third declension shaking (or similar violent movement) agitation discomfort, annoyance, hardship, distress...