gill-over-the-ground vs moneywort

gill-over-the-ground

noun

  • ground ivy 

moneywort

noun

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

  • Bacopa monnieri. 

How often have the words gill-over-the-ground and moneywort occurred in a corpus of books? (source: Google Ngram Viewer )