anaconda vs donger

anaconda

noun
  • A large penis. 

  • The green anaconda; Eunectes murinus. 

  • Any of various large nonvenomous snakes of the genus Eunectes, found mainly in northern South America. 

name
  • A particular variety of stud poker. 

donger

noun
  • penis 

  • A donga (transportable cabin or tourist accommodation). 

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