seer vs spaewife

seer

noun
  • One who foretells the future; a clairvoyant, prophet, soothsayer or diviner. 

  • One who sees something; an eyewitness. 

spaewife

noun
  • female fortuneteller 

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