durry vs gasper

durry

noun
  • A cigarette, especially a roll-your-own. 

gasper

noun
  • A cigarette. 

  • Something that causes one to gasp in shock, suspense, or awe. 

  • An adjustable air outlet over a passenger seat in aircraft. 

  • One who is aroused by autoasphyxiation. 

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