serene vs uncancerous

serene

adj
  • Without worry or anxiety; unaffected by disturbance. 

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

  • Calm, peaceful, unruffled. 

noun
  • Serenity; clearness; calmness. 

  • A fine rain from a cloudless sky after sunset. 

verb
  • To make serene. 

uncancerous

adj
  • Not cancerous. 

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