herb vs ratoon

herb

noun
  • A plant whose stem is not woody and does not persist beyond each growing season 

  • Cannabis. 

  • A lame or uncool person. 

  • Any green, leafy plant, or parts thereof, used to flavour or season food. 

  • A plant whose roots, leaves or seeds, etc. are used in medicine. 

ratoon

noun
  • A shoot sprouting from the root of a cropped plant, especially sugar cane. 

  • A rattan cane. 

verb
  • To sprout ratoons. 

  • To cut a plant, especially sugar cane, so that it will produce ratoons. 

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