Esca can refer to: Esca (fish anatomy) or illicium, a modified luminescent fin ray found in anglerfish and frogfish Esca (grape disease) the Ezka, a river in the Basque country known as "Esca" in Spanish ESCA or Electron Spectroscopy for Chemical Analysis, now known as X-ray photoelectron spectroscopy (XPS)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).