approve vs slur

approve

verb
  • To officially sanction; to ratify; to confirm; to set as satisfactory. 

  • To make profit of; to convert to one's own profit — said especially of waste or common land appropriated by the lord of the manor. 

  • To consider worthy (to); to be pleased (with); to accept. 

  • To regard as good; to commend; to be pleased with; to think well of. 

slur

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). 

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 approve and slur occurred in a corpus of books? (source: Google Ngram Viewer )