Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Nectanăbis, is or idis, m. (Nectĕ-bis, Plin. 36, 9, 14, § 67; 36, 13, 19, § 89; Tert. Anim. 57: Nectănĕbus, Nep. Chabr. 2, 2), a king of Egypt, Nep. Ages. 8, 6.