abaft vs up front

abaft

adv
  • On the aft side; in the stern. 

prep
  • Behind; toward the stern relative to some other object or position; aft of. 

up front

adv
  • At the front. 

  • At the beginning; before anything begins. 

  • In an attacking position. 

adj
  • Open, honest; tending to disclose information; truthful. 

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