attenuate vs blunt

attenuate

verb
  • To weaken. 

  • To reduce the amplitude of an electrical, radio, or optical signal. 

  • To reduce in size, force, value, amount, or degree. 

  • To become thin or fine; to grow less. 

  • To rarefy. 

  • (of a beer) To become less dense as a result of the conversion of sugar to alcohol. 

  • To reduce the virulence of a bacterium or virus. 

  • To make thinner, as by physically reshaping, starving, or decaying. 

adj
  • Gradually tapering into a petiole-like extension toward the base. 

blunt

verb
  • To repress or weaken; to impair the force, keenness, or susceptibility, of 

  • To dull the edge or point of, by making it thicker; to make blunt. 

noun
  • A marijuana cigar. 

  • A playboating move resembling a cartwheel performed on a wave. 

  • A short needle with a strong point. 

  • A fencer's practice foil with a soft tip. 

adj
  • Having a thick edge or point; not sharp. 

  • Abrupt in address; plain; unceremonious; wanting the forms of civility; rough in manners or speech. 

  • Dull in understanding; slow of discernment; opposed to acute. 

  • Hard to impress or penetrate. 

  • Slow or deficient in feeling: insensitive. 

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