revival vs slump

revival

noun
  • Reanimation from a state of languor or depression; applied to health, a person's spirits, etc. 

  • Renewed interest in religion, after indifference and decline; a period of religious awakening; special religious interest. 

  • Renewed prevalence of something, as a practice or a fashion. 

  • A Christian religious meeting held to inspire active members of a church body or to gain new converts. 

  • Restoration of force, validity, or effect; renewal; reinstatement of a legal action. 

  • Renewed interest, performance, cultivation, or flourishing state of something, as of culture, commerce, agriculture. 

  • The act of reviving, or the state of being revived. 

  • Revivification, as of a metal. 

slump

noun
  • A period when a person goes without the expected amount of sex or dating. 

  • A measure of the fluidity of freshly mixed concrete, based on how much the concrete formed in a standard slump cone sags when the cone is removed. 

  • The gross amount; the mass; the lump. 

  • A boggy place. 

  • A heavy or helpless collapse; a slouching or drooping posture; a period of poor activity or performance, especially an extended period. 

  • The noise made by anything falling into a hole, or into a soft, miry place. 

  • A cobbler-like dessert cooked on a stove. 

verb
  • To cause to collapse; to hit hard; to render unsconscious; to kill. 

  • To collapse heavily or helplessly. 

  • To lump; to throw together messily. 

  • To fall or sink suddenly through or in, when walking on a surface, as on thawing snow or ice, a bog, etc. 

  • To slouch or droop. 

  • To decline or fall off in activity or performance. 

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