biased vs free and easy

biased

adj
  • Exhibiting a systematic distortion of results due to a factor not allowed for in its derivation; skewed. 

  • Exhibiting bias; prejudiced. 

  • Angled at a slant. 

  • On which an electrical bias is applied. 

free and easy

noun
  • A tavern offering informal entertainment from amateur and professional performers. 

adj
  • Casual, informal, relaxed, unrestrained. 

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