Lewis & Short

Phaeāces, um, m., = Φαίακες, the Phœacians, the fabled luxurious inhabitants of the isle of Scheria (in historic times, Corcyra), Cic. Brut. 18, 71; Verg. A. 3, 291; Ov. M. 13, 719; Juv. 5, 151.
In sing.: Phae-ax, ācis, m., a Phœacian; transf., of a man in good case, Hor. Ep. 1, 15, 24.
As adj.: Phaeax populus, Juv. 15, 23.
Hence,

  1. A. Phaeācĭa, ae, f., = Φαιακία, the country of the Phœacians, the isle of Scheria (Corcyra), in the Ionian Sea: Corcyra Homero dicta Scheria et Phaeacia, Callimacho etiam Drepane, Plin. 4, 12, 19, § 52; Tib. 1, 3, 3.
  2. B. Phaeācis, ĭdis, adj., = Φαιακίς, Phœacian; subst.: Phaeācis, ĭdis, f. (sc. Musa), a poem on the sojourn of Ulysses in Phœacia, Ov. P. 4, 12, 27; 16, 27.
  3. C. Phaeācĭus, a, um, adj., = Φαιάκιος, Phœacian: tellus, Tib. 4, 1, 78; Ov. Am. 3, 9, 47.
  4. D. Phaeācus, a, um, adj., = Φαίακος, Phœacian: silvae, Prop. 3 (4), 1, 51.