Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. cō̆cles, ĭtis, m. [for scoculus; root ska-; cf. σκιά, σκότος, and oculus (cf. Fleck. in Rhein. Mus. 8, p. 231)], cognomen of a person blind with one eye, Plin. 11, 37, 55, § 150; so Enn. ap. Varr L. L. 7, § 71; Plaut. Curc. 3, 1, 23.
2. Cō̆cles, itis, m., the cognomen of a Roman, Horatius Cocles. who, in the war with Porsenna, defended a bridge alone, Liv 2, 10, 2 sq.; Cic. Off. 1, 18, 61; id. Leg. 2, 4, 10; Verg. A. 8, 650; Plin. 34, 5, 11, § 22; 36, 15, 23, § 100 al.; Prop. 3 (4), 11, 63; Sen. Ep. 120, 7.