abuse vs slur

abuse

verb
  • To attack with coarse language; to insult; to revile; malign; to speak in an offensive manner to or about someone; to disparage. 

  • To injure; to maltreat; to hurt; to treat with cruelty, especially repeatedly. 

  • To imbibe a drug for a purpose other than it was intended; to intentionally take more of a drug than was prescribed for recreational reasons; to take illegal drugs habitually. 

  • To put to a wrong use; to misapply; to use improperly; to misuse; to use for a wrong purpose or end; to pervert 

noun
  • Improper treatment or usage; application to a wrong or bad purpose; an unjust, corrupt or wrongful practice or custom. 

  • Physical maltreatment; injury; cruel treatment. 

  • Misuse; improper use; perversion. 

  • Coarse, insulting speech; abusive language; language that unjustly or angrily vilifies. 

  • Violation; defilement; rape; forcing of undesired sexual activity by one person on another, often on a repeated basis. 

slur

verb
  • To insult or slight. 

  • To run together; to articulate poorly. 

  • 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. 

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

  • An insinuation or innuendo. 

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

  • 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). 

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