continuant vs serene

continuant

noun
  • A linguistic sound other than a stop. 

  • An endurant. 

  • A determinant formed from a tridiagonal matrix. 

adj
  • Continuing; prolonged; sustained. 

serene

noun
  • Serenity; clearness; calmness. 

  • A fine rain from a cloudless sky after sunset. 

verb
  • To make serene. 

adj
  • Without worry or anxiety; unaffected by disturbance. 

  • Used as part of certain titles, originally to indicate sovereignty or independence. 

  • Calm, peaceful, unruffled. 

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