heal-all vs red rattle

heal-all

noun
  • A small, herbaceous European plant with blue-violet flowers; Prunella vulgaris. 

  • A remedy for all diseases. 

red rattle

noun
  • Any of several plant species of the genus Pedicularis and others. 

  • Odontites vernus (red bartsia) 

  • Pedicularis palustris (marsh lousewort) 

  • Pedicularis flammea 

How often have the words heal-all and red rattle occurred in a corpus of books? (source: Google Ngram Viewer )