consign vs retain

consign

verb
  • To entrust to the care of another. 

  • To stamp or impress; to affect. 

  • To send to a final destination. 

  • To assign; to devote; to set apart. 

  • To transfer to the custody of, usually for sale, transport, or safekeeping. 

retain

verb
  • To keep in one's pay or service. 

  • To employ by paying a retainer. 

  • To hold back (a pupil) instead of allowing them to advance to the next class or year. 

  • To keep in possession or use. 

  • To hold secure. 

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