heal-all vs woundwort

heal-all

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

  • A remedy for all diseases. 

woundwort

noun
  • Any of several plants of the genus Stachys 

  • Achillea millefolium (soldier's woundwort) 

  • Solidago virgaurea (European golden-rod) 

  • Anthyllis vulneraria (kidney-vetch) 

  • Bellis perennis (English daisy) 

  • Prunella vulgaris (common self-heal) 

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