flourish vs senescence

flourish

verb
  • To thrive or grow well. 

  • To make bold and sweeping, fanciful, or wanton movements, by way of ornament, parade, bravado, etc.; to play with fantastic and irregular motion. 

  • To make bold, sweeping movements with. 

  • To be in a period of greatest influence. 

  • To prosper or fare well. 

  • To adorn with beautiful figures or rhetoric; to ornament with anything showy; to embellish. 

  • To use florid language; to indulge in rhetorical figures and lofty expressions. 

  • To execute an irregular or fanciful strain of music, by way of ornament or prelude. 

  • To make ornamental strokes with the pen; to write graceful, decorative figures. 

  • To develop; to make thrive; to expand. 

noun
  • A ceremonious passage such as a fanfare. 

  • An ornamentation. 

  • A dramatic gesture such as the waving of a flag. 

  • A decorative embellishment on a building. 

senescence

noun
  • Old age; accumulated damage to macromolecules, cells, tissues and organs with the passage of time. 

  • The state or process of ageing, especially in humans; old age. 

  • Fruit senescence, leading to ripening of fruit. 

  • Ceasing to divide by mitosis because of shortening of telomeres or excessive DNA damage. 

  • Condition when the cell ceases to divide. 

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