foliole vs phyllon

foliole

noun
  • One of the distinct parts of a compound leaf; a leaflet. 

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 foliole and phyllon occurred in a corpus of books? (source: Google Ngram Viewer )