Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Rŭfrae, ārum, f., a town of the Samnites, on the borders of Campania, now Ruvo, Verg. A. 7, 739; Sil. 8, 568; prob. the same called Rufrium, Liv. 8, 25, 4.