accelerating vs bleeding-heart

accelerating

noun
  • An act of acceleration. 

bleeding-heart

noun
  • Any of several species of bird in the genus Gallicolumba of the pigeon family, native to the Philippines, characterised by a red patch on the plumage of the breast. 

  • A person who is overly sympathetic to the plight of the underprivileged or exploited. 

adj
  • Overly sympathetic to the plight of the underprivileged or exploited. 

How often have the words accelerating and bleeding-heart occurred in a corpus of books? (source: Google Ngram Viewer )