Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
transfĭgūrātĭo, ōnis, f. [trans-figuro], a change of shape, transformation, transfiguration (post-Aug.), Plin. 7, 55, 56, § 188: transfiguratio interemptio est pristini, Tert. adv. Prax. 27.