bear off vs go off on tangent

bear off

verb
  • To remove to a distance; to keep clear from rubbing against anything. 

  • To gain; to carry off, as a prize. 

  • To restrain; to keep from approaching. 

  • To remove one of one's own checkers from the board. The first player to bear off all checkers is the winner. 

go off on tangent

How often have the words bear off and go off on tangent occurred in a corpus of books? (source: Google Ngram Viewer )