lifeblood vs sparkle

lifeblood

noun
  • Blood that is needed for continued life; blood regarded as the seat of life. 

  • That which is required for continued existence or function. 

sparkle

noun
  • Liveliness; vivacity. 

  • Brilliance; luster. 

  • The quality of being sparkling or fizzy; effervescence. 

  • A little spark; a scintillation. 

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. 

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