Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Sĕmĕlē, ēs (Sĕmĕla, ae, pure Lat. collat. form in the cass. obll.), f., = Σεμέλη, a daughter of Cadmus, and mother of Bacchus by Jupiter; nom. Semele, Ov. M. 3, 293; id. F. 6, 485; id. Tr. 4, 3, 67; id. Am. 3, 3, 37; Hyg. Fab. 167 and 179; gen. Semelae, Ov. F. 6, 503: Semeles, Hor. C. 1, 19, 2; Tib. 3, 4, 45; Ov. M. 3, 274; 3, 278; dat. Semelae, Prop. 2, 28 (3, 24), 27; acc. Semelen, Ov. M. 3, 261; id. F. 3, 715: Semelam, Macr. S. 1, 12; abl. Semelā, Cic. Tusc. 1, 12, 28; id. N. D. 2, 24, 62; Prop. 2, 30 (3, 28), 29: Semele, Hyg. Fab. 179.
Hence,