Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Ăres, is, m., = Ἄρης, the war-god Mars (in Plaut. jocosely made to correspond with bellator, warrior): si tu ad legionem bellator clues, at ego in culinā Ares, Plaut. Truc. 2, 7, 54. (For the A, which is always short in Lat., cf. Lucil. ap. Scaur. Orth. p. 2255 P., and Mart. 9, 12, with reference to Hom. Il. 5, 31.)
2. Ăris, is, m., a Sardinian, Cic. Scaur. 1, 6; 2, 7.
1. Ărī̆us, i, m., = Ἄρειος or Ἄριος, a river in Aria, now Heri, Plin. 6, 23, 25, § 93; in Amm. 23 fin. Arias.
2. Ărī̆us (Arr-), i, m., = Ἀρεῖος or Ἄριος, a renowned heretic, also Ārĭus, Prud. Psych. 794.
Hence, Ărīānus, a, um, adj., pertaining to Arius, Arian, Hier. adv. Lucif. 7.—Ărīāni, ōrum, m., the followers of Arius, the Arians, Hier. adv. Lucif. 7; Aug. Haeres. 49.
†† ăros, i, f., also ăron or ărum, i, n., = ἄρον, wake-robin: Arum dracunculus Linn.: quod aron vocant, Plin. 19, 5, 30, § 96; and id. 24, 16, 91, § 142.