bellflower vs ding-dong

bellflower

noun
  • A flower of one of these plants, which is shaped like a bell. 

  • Any flowering plants in the genus Campanula. 

  • Flowering plants in the genera, Campanulastrum, Codonopsis, or Platycodon, in the family Campanulaceae. 

  • Any flowering plant in genus Uvularia. 

ding-dong

noun
  • A sound made by a bell. 

  • A penis. 

  • An idiot. 

  • A woman's breast. 

  • An attachment to a clock by which the quarter hours are struck upon bells of different tones. 

  • A fight, an argument; a set-to. 

verb
  • To ring with two tones, like a bell swinging back and forth. 

adj
  • Closely fought. 

How often have the words bellflower and ding-dong occurred in a corpus of books? (source: Google Ngram Viewer )