aft vs previous

aft

adv
  • At, near, or towards the stern of a vessel (with the frame of reference within the vessel). 

adj
  • located at the back of a boat, ship, or airplane 

noun
  • The stern portion of a vessel. 

previous

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

  • A track record of similar behaviour. 

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

  • Premature; acting or occurring too soon. 

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