turbinate vs undulate

turbinate

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

  • In the shape of a coil. 

  • 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. 

undulate

adj
  • Wavy in appearance or form. 

  • Changing the pitch and volume of one's voice. 

  • sinuous, winding up and down. 

verb
  • To cause to resemble a wave 

  • To appear wavelike. 

  • To cause to move in a wavelike motion. 

  • To move in wavelike motions. 

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