count upon vs infer

count upon

verb
  • Synonym of count on 

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. 

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