Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Nērĭo, ēnis, or Nērĭēnes, is, or Nērĭēnē, ēs, or Nēria, ae, f. [a Sabine word which signified bravery; v. Nero; hence, personified, in the Roman mythology], the companion and wife of Mars; nom. Nerio, Gell. 13, 22, 4; Mart. Cap. 1, § 4; acc.: Mars salutat Nerienem uxorem suam, Plaut. Truc. 2, 6, 34: Nerienes, Varr. ap. Gell. 13, 22, 4 (Sat. Men. 83, 1): Neria Martis, Cn. Gell. ap. Gell. 13, 22, 13: nolo ego Neaeram te vocent, sed Nerienem, Licinius Imbrex ap. Gell. l. l. fin.