amaranth vs purslane

amaranth

noun
  • The characteristic purplish-red colour of the flowers or leaves of these plants. 

  • A red to purple azo dye used as a biological stain, and in some countries in cosmetics and as a food colouring. 

  • Any of various herbs of the genus Amaranthus. 

  • The seed of these plants, used as a cereal. 

purslane

noun
  • moss-rose purslane, moss rose (Portulaca grandiflora) 

  • pink purslane (Claytonia sibirica) 

  • Halimione portulacoides 

  • shoreline purslane (Sesuvium portulacastrum) 

  • Honckenya peploides 

  • purslane tree (Portulacaria afra) 

  • winter purslane, miner's lettuce (Claytonia perfoliata) 

  • the widely-grown edible plant common purslane or summer purslane (Portulaca oleracea) 

  • Any of the family Portulacaceae (order Caryophyllales) of succulent plants. 

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