have a nice day vs sendoff

have a nice day

phrase
  • . A polite parting during daytime. 

  • Used other than figuratively or idiomatically: see have, a, nice, day. 

sendoff

noun
  • A party for a person (i.e. a fellow employee) who is leaving; a farewell party. 

  • A party to recognize the passing (death) of a friend and allow survivors to reminisce about the person's life. 

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