bleeding-heart vs graduated

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. 

graduated

adj
  • Having a university degree; having completed training. 

  • Arranged by grade, level, degree. 

  • Increasing in rate with the taxable base. 

  • Of a tail, having successively longer feathers towards the middle. 

  • Marked with graduations. 

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