soothsayer vs spellbinder

soothsayer

noun
  • A mantis or rearhorse. 

  • One who predicts the future, using magic, intuition or intelligence; a diviner. 

spellbinder

noun
  • Something that is spellbinding, that causes rapt attention. 

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