cow parsley vs windpipe

cow parsley

noun
  • Anthriscus sylvestris, a weedy biennial umbellifer native to the Old World. 

  • Any of a variety of plants of similar appearance. 

windpipe

noun
  • The trachea. 

  • A section of road or bridleway which has a reputation for having strong crosswinds or localized wind swirls. 

  • Any duct for air or other gas. 

  • The anus. 

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