infer vs invent

infer

verb
  • To lead to (something) as a consequence; to imply. 

  • To introduce (something) as a reasoned conclusion; to conclude by reasoning or deduction, as from premises or evidence. 

invent

verb
  • To create something fictional for a particular purpose. 

  • To design a new process or mechanism. 

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