beg the question vs invent

beg the question

verb
  • To raise or prompt a question. 

  • To sidestep or fail to address a question. 

  • To engage in the logical fallacy of begging the question (petitio principii). 

invent

verb
  • To design a new process or mechanism. 

  • To create something fictional for a particular purpose. 

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