bifter vs hogger

bifter

noun

  • A marijuana cigarette. 

  • A cigarette. 

hogger

noun

  • A marijuana cigarette 

  • A stocking without a foot, worn by coal miners at work. 

  • A shot that comes to rest short of or on the far hog line and is removed from play 

  • The engineer of a locomotive. 

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