defend vs defile

defend

verb
  • To make legal defence of; to represent (the accused). 

  • To focus one's energies and talents on preventing opponents from scoring, as opposed to focusing on scoring. 

  • To attempt to retain a title, or attempt to reach the same stage in a competition as one did in the previous edition of that competition. 

  • To call a raise from the big blind. 

  • To support by words or writing; to vindicate, talk in favour of. 

  • To ward off attacks against; to fight to protect; to guard. 

defile

verb
  • To act inappropriately towards or vandalize (something sacred or special); to desecrate, to profane. 

  • To make (someone or something) physically dirty or unclean; to befoul, to soil. 

  • Synonym of defilade (“to fortify (something) as a protection from enfilading fire”) 

  • To make (someone or something) morally impure or unclean; to corrupt, to tarnish. 

  • To cause (something or someone) to become ritually unclean. 

noun
  • A narrow passage or way (originally (military), one which soldiers could only march through in a single file or line), especially a narrow gorge or pass between mountains. 

  • A single file of soldiers; (by extension) any single file. 

  • An act of marching in files or lines. 

  • An act of defilading a fortress or other place, or of raising the exterior works in order to protect the interior. 

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