bloodstone vs cherry pie

bloodstone

noun
  • Hematite. 

  • A green chalcedony that has been sprinkled with red spots (which resemble blood, hence the name). 

cherry pie

noun
  • Heliotropium arborescens. 

  • Any of various willowherbs 

  • A pie baked with a cherry filling. 

How often have the words bloodstone and cherry pie occurred in a corpus of books? (source: Google Ngram Viewer )