invocate vs pray

invocate

verb
  • To invoke or implore 

  • To summon or conjure up 

pray

verb
  • To direct words, thoughts, or one's attention to God or any higher being, for the sake of adoration, thanks, petition for help, etc. 

  • To wish or hope strongly for a particular outcome. 

  • To humbly beg a person for aid or their time. 

adv
  • Please; used to make a polite request 

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