dowser vs spaewife

dowser

noun
  • One who uses the dowser or divining rod. A diviner. 

  • A divining rod used in searching for water, ore, etc.; a dowsing rod. 

spaewife

noun
  • female fortuneteller 

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