incantation vs jinx

incantation

noun
  • Any esoteric command or procedure. 

  • A formula of words used as above. 

  • The act or process of using formulas and/or usually rhyming words, sung or spoken, with occult ceremonies, for the purpose of raising spirits, producing enchantment, or creating other magical results. 

jinx

noun
  • A hex; an evil spell. 

  • A person or thing supposed to bring bad luck. 

verb
  • To cast a spell on. 

  • To bring bad luck to. 

  • To cause something to happen by mentioning it, usually sarcastically. 

intj
  • Used after the same thing is said by two people simultaneously. 

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