barfly vs imbiber

barfly

noun
  • a person who spends much time in a bar or similar drinking establishment 

  • a promiscuous person, especially a woman, who frequents bars hoping to find sexual partners 

imbiber

noun
  • One who imbibes, who drinks, especially alcoholic beverages. 

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