churn vs sparkle

churn

verb
  • To agitate rapidly and repetitively, or to stir with a rowing or rocking motion; generally applies to liquids, notably cream. 

  • To produce excessive and sometimes undesirable or unproductive activity or motion. 

  • To move rapidly and repetitively with a rocking motion; to tumble, mix or shake. 

  • To continually sign up for new credit cards in order to earn signup bonuses, airline miles, and other benefits. 

  • To stop using a company's product or service. 

  • To repeatedly cancel and rebook a reservation in order to refresh ticket time limits or other fare rule restrictions. 

  • To carry out wash sales in order to make the market appear more active than it really is. 

noun
  • A milk churn. 

  • The mass of people who are ready to switch carriers. 

  • Cyclic activity that achieves nothing. 

  • A vessel used for churning, especially for producing butter. 

  • The time when a consumer switches his/her service provider. 

  • Customer attrition; the phenomenon or rate of customers leaving a company. 

sparkle

verb
  • To manifest itself by, or as if by, emitting sparks; to glisten; to flash. 

  • To emit sparks; to throw off ignited or incandescent particles 

  • To shine as if throwing off sparks; to emit flashes of light; to scintillate; to twinkle 

  • To emit little bubbles, as certain kinds of liquors; to effervesce 

  • To emit in the form or likeness of sparks. 

noun
  • Brilliance; luster. 

  • Liveliness; vivacity. 

  • The quality of being sparkling or fizzy; effervescence. 

  • A little spark; a scintillation. 

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