allheal vs woundwort

allheal

noun
  • Prunella vulgaris, a species in the mint family. 

  • Valeriana officinalis, a species in the valerian family. 

  • Stachys, a genus of plants in the mint family, heal-all, self-heal, woundwort, betony, lamb's ears, hedgenettle. 

woundwort

noun
  • Prunella vulgaris (common self-heal) 

  • 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) 

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