leafage vs phyllon

leafage

noun
  • The leaves of plants collectively; foliage. 

phyllon

noun
  • A leaf, or something (flat) resembling a leaf. 

  • A specific herb which the ancient Greek Theophrastus asserted could influence the sex of a fetus. 

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