repair vs stain

repair

noun
  • A place to which one goes frequently or habitually; a haunt. 

  • The act of repairing something. 

  • The result of repairing something. 

  • The condition of something, in respect of need for repair. 

  • The act of repairing or resorting to a place. 

verb
  • to pair again 

  • To transfer oneself to another place. 

  • To make amends for, as for an injury, by an equivalent; to indemnify for. 

  • To restore to good working order, fix, or improve damaged condition; to mend; to remedy. 

stain

noun
  • A discoloured spot or area. 

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

  • 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. 

verb
  • 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 taint or tarnish someone's character or reputation 

  • To discolour. 

  • To become stained; to take a stain. 

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