ermine vs siren

ermine

noun
  • Any of various moths, especially in the family Yponomeutidae 

  • A white field with black spots. 

  • The white fur of this animal, traditionally seen as a symbol of purity and used for judges' robes. 

  • A weasel found in northern latitudes (Mustela erminea in Eurasia, Alaska, and the Arctic, Mustela haidarum in Haida Gwaii, Mustela richardsonii in the rest of North America); its dark brown fur turns white in winter, apart from the black tip of the tail. 

  • The office of a judge. 

adj
  • In blazon, of the colour ermine (white with black spots). 

verb
  • To clothe with ermine. 

siren

noun
  • Any of various nymphalid butterflies of the genus Hestina. 

  • A musical instrument, one of the few aerophones in the percussion section of the symphony orchestra (patented as Acme Siren in 1895). 

  • An astrophysical event that can be used for calculating cosmic distances. 

  • A dangerously seductive woman. 

  • A member of a genus of aquatic salamanders of the family Sirenidae, commonly used for all species subsumed under the family of Sirenidae. 

  • A member of an order of mammals of Sirenia. 

  • One of a group of nymphs who lured mariners to their death on the rocks. 

  • One who sings sweetly and charms. 

  • A device, either mechanical or electronic, that makes a piercingly loud sound as an alarm or signal, or the sound from such a device (first recorded 1879). 

  • An instrument for demonstrating the laws of beats and combination tones. 

verb
  • To make a noise with, or as if with, a siren. 

adj
  • Relating to or like a siren. 

How often have the words ermine and siren occurred in a corpus of books? (source: Google Ngram Viewer )