chimpanzee vs dingleberry

chimpanzee

noun
  • Pan troglodytes, a species of great ape in the genus Pan, native to Africa, and believed by biologists to be the closest extant relative to humans along with the bonobo. 

  • A member of the genus Pan, including the bonobo which is also known as the pygmy chimpanzee. 

dingleberry

noun
  • Vaccinium erythrocarpum, the southern mountain cranberry. 

  • A stupid or foolish person. 

  • Dried fecal matter adhering to anal hair. 

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