Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Ăcharrae, ārum, f., a town of Thessaly, Liv. 32, 13, 13.
2. Ăchātes, ae, m., a river in the southern part of Sicily, between Thermae and Selinus, now unknown, Plin. 3, 8, 14, § 90.
3. Ăchātes, ae, m., the armor-bearer and faithful friend of Aeneas, Verg. A. 1, 120; 174; Ov. Fast. 3, 603 al.