defile vs stain

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. 

stain

verb
  • To taint or tarnish someone's character or reputation 

  • To cause to seem inferior or soiled by comparison. 

  • To coat a surface with a stain 

  • To treat (a microscopic specimen) with a dye, especially one that dyes specific features 

  • To discolour. 

  • To become stained; to take a stain. 

noun
  • A reagent or dye used to stain microscope specimens so as to make some structures visible. 

  • A discoloured spot or area. 

  • Any of a number of non-standard tinctures used in modern heraldry. 

  • A blemish on one's character or reputation. 

  • A substance used to soak into a surface and colour it. 

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