pocan vs possumhaw

pocan

noun

  • The poke, Phytolacca americana (formerly Phytolacca decandra). 

possumhaw

noun

  • American winterberry, Ilex verticillata. 

  • Deciduous Holly, Ilex decidua. 

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