aid vs slur

aid

noun
  • A helper; an assistant. 

  • Help; assistance; succor, relief. 

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

  • 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. 

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

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

slur

noun
  • An act of running one's words together; poor verbal articulation. 

  • In knitting machines, a device for depressing the sinkers successively by passing over them. 

  • An insinuation or innuendo. 

  • A mark, stain, or smear; (by extension) a slight occasion of reproach. 

  • A disparaging insult or slight, particularly one used to denigrate a specific group. 

  • A set of notes that are played legato, without separate articulation. 

  • The symbol indicating a legato passage, written as an arc over the slurred notes (not to be confused with a tie). 

verb
  • To run together; to articulate poorly. 

  • To insult or slight. 

  • To play legato or without separate articulation; to connect (notes) smoothly. 

  • To soil; to sully; to contaminate; to disgrace. 

  • To cover over; to disguise; to conceal; to pass over lightly or with little notice. 

  • To cheat, as by sliding a die; to trick. 

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