contemplate vs expect

contemplate

verb
  • To consider as a possibility. 

  • To look at on all sides or in all its aspects; to view or consider with continued attention; to regard with deliberate care; to meditate on; to study, ponder, or consider. 

expect

verb
  • To consider reasonably due. 

  • To consider obligatory or required. 

  • To predict or believe that something will happen 

  • To be pregnant, to consider a baby due. 

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