see off vs send away

see off

verb
  • To accompany someone to a point of departure; to ensure someone departs safely. 

  • To defeat; to get rid of. 

send away

verb
  • To dismiss from one's presence. 

  • To send to a particular place for a long time, as a family member, an employee, etc. 

  • Used other than figuratively or idiomatically: see send, away. 

How often have the words see off and send away occurred in a corpus of books? (source: Google Ngram Viewer )