petal vs phyllon

petal

noun
  • A lobe of a rose (geometric shape). 

  • One of the component parts of the corolla of a flower. It applies particularly, but not necessarily only, when the corolla consists of separate parts, that is when the petals are not connately fused. Petals are often brightly colored. 

  • Term of endearment. 

verb
  • To spread out from, like the petals of a flower 

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