Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Cătăŏnĭa, ae, f., = Καταονία, a province in Southern Cappadocia, Plin. 6, 3, 3, § 9; Nep. Dat. 4, 1.
Cătăŏnes, um, m., its people, Curt. 4, 12, 11.