creeping Charlie vs moneywort

creeping Charlie

noun
  • creeping Charlie (Pilea nummulariifolia), a houseplant in the nettle family 

  • Swedish ivy (Plectranthus verticillatus), in the mint family, a popular houseplant 

  • ground ivy, Glechoma hederacea 

  • moneywort 

moneywort

noun
  • A European vine, Lysimachia nummularia, having yellow flowers; creeping Jenny, creeping Charlie. 

  • Bacopa monnieri. 

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