Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Acē, ēs, f., Ἄκη, a town in Galilee, afterwards called Ptolemais or Acca, now St. Jean d’Acre, Nep. Dat. 5; Plin. 5, 19, 17, § 75.