accumulate vs kiss goodbye

accumulate

verb
  • To gradually grow or increase in quantity or number. 

  • To heap up in a mass; to pile up; to collect or bring together (either literally or figuratively) 

adj
  • Collected; accumulated. 

kiss goodbye

verb
  • To give something up reluctantly. 

  • To kiss prior to departing. 

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