Overate?

Dilation or dilatation? asked a colleague. And if dilatation is right why isn't it dilatate?

Let's start with a Latin verb, ferre, to carry. Just as in English we give the major inflected forms of the verb (the so called paradigm) in the form present infinitive, past indicative, past participle—for example, eat, ate, eaten—so in Latin the paradigm is given in the form present indicative, present infinitive, perfect indicative, past participle or supine—for example, amo, amare, amavi, amatum. …