tapered vs turbinate

tapered

adj
  • Narrowing gradually towards a point. 

turbinate

adj
  • Spiral and decreasing sharply in diameter from base to apex. 

  • Shaped or spinning like a top (spinning top). 

  • In the shape of a coil. 

  • Of, or relating to, the turbinate bone. 

noun
  • A turbinal or turbinate bone. 

verb
  • To revolve or spin like a top; to whirl. 

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