aid vs blot

aid

verb
  • To provide support to; to further the progress of; to help; to assist. 

  • To climb with the use of aids such as pitons. 

noun
  • Help; assistance; succor, relief. 

  • An historical subsidy granted to the crown by Parliament for an extraordinary purpose, such as a war effort. 

  • A helper; an assistant. 

  • An exchequer loan. 

  • Something which helps; a material source of help. 

  • A pecuniary tribute paid by a vassal to his feudal lord on special occasions. 

  • The rider's use of hands, legs, voice, etc. to control the horse. 

blot

verb
  • To impair; to damage; to mar; to soil. 

  • to cause a blot (on something) by spilling a coloured substance. 

  • To obliterate, as writing with ink; to cancel; to efface; generally with out. 

  • To dry (writing, etc.) with blotting paper. 

  • To spot, stain, or bespatter, as with ink. 

  • To obscure; to eclipse; to shadow. 

  • to soak up or absorb liquid. 

  • To stain with infamy; to disgrace. 

noun
  • A stain on someone's reputation or character; a disgrace. 

  • An exposed piece in backgammon. 

  • A blemish, spot or stain made by a coloured substance. 

  • A method of transferring proteins, DNA or RNA, onto a carrier. 

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