anterior vs previous

anterior

adj
  • Coming before or earlier in time or development, prior to, preceding. 

  • Pronounced with an obstruction located in front of the palato-alveolar region of the mouth, e.g. b, p, d, t. 

  • (of a part of a flower or leaf) Situated further away from the mainstem. 

  • Nearer the forward end, especially in the front of the body; nearer the head or forepart of an animal. 

previous

adj
  • Prior; occurring before something else, either in time or order. 

  • Premature; acting or occurring too soon. 

noun
  • An existing criminal record (short for "previous convictions") 

  • A track record of similar behaviour. 

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