convolute vs turbinate

convolute

adj
  • Coiled such that one edge is inside, and one outside the coil, giving a spiral effect in cross section. 

  • Convoluted. 

verb
  • To confuse, mix up (something) with something else. 

  • To make unnecessarily complex. 

  • To fold or coil into numerous overlapping layers. 

turbinate

adj
  • In the shape of a coil. 

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

  • Of, or relating to, the turbinate bone. 

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

noun
  • A turbinal or turbinate bone. 

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

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