shinleaf vs spiceberry

shinleaf

noun
  • A perennial ericaceous herb (Pyrola elliptica) with a cluster of radical leaves and a raceme of greenish-white flowers. 

spiceberry

noun
  • A compact flowering plant, Ardisia crenata, native to East Asia. 

  • Its fruit, a glossy, bright red drupe. 

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