churn vs jar

churn

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

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

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

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

  • 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. 

jar

verb
  • To knock, shake, or strike sharply, especially causing a quivering or vibrating movement. 

  • To harm or injure by such action. 

  • To act in disagreement or opposition, to clash, to be at odds with; to interfere; to dispute, to quarrel. 

  • To quiver or vibrate due to being shaken or struck. 

  • To (cause something to) give forth a rudely tremulous or quivering sound; to (cause something to) sound discordantly or harshly. 

  • To shock or surprise. 

  • Of the appearance, form, style, etc., of people and things: to look strangely different; to stand out awkwardly from its surroundings; to be incongruent. 

  • To preserve (food) in a jar. 

noun
  • A small, approximately cylindrical container, normally made of clay or glass, for holding fruit, preserves, etc., or for ornamental purposes. 

  • The effect of something contradictory or discordant; a clash. 

  • A jar and its contents; as much as fills such a container; a jarful. 

  • A quivering or vibrating movement or sensation resulting from something being shaken or struck. 

  • A glass of beer or cider, served by the pint. 

  • An earthenware container, either with two or no handles, for holding oil, water, wine, etc., or used for burial. 

  • A sense of alarm or dismay. 

  • A clashing or discordant set of sounds, particularly with a quivering or vibrating quality. 

  • A pint glass 

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