acuminate vs unblunted

acuminate

adj
  • Tapering to a point; pointed. 

  • Tapering to a long point in concave manner at its apex. 

verb
  • To end in or come to a sharp point. 

  • To render sharp or keen; to sharpen. 

unblunted

adj
  • Not blunted. 

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