thunder vs waft

thunder

verb
  • To say (something) with a loud, threatening voice. 

  • To make a noise like thunder. 

  • To produce thunder; to sound, rattle, or roar, as a discharge of atmospheric electricity. 

  • To (make something) move very fast (with loud noise). 

  • To produce something with incredible power. 

noun
  • The spotlight. 

  • An alarming or startling threat or denunciation. 

  • The loud rumbling, cracking, or crashing sound caused by expansion of rapidly heated air around a lightning bolt. 

  • A deep, rumbling noise resembling thunder. 

waft

verb
  • To give notice to by waving something; to wave the hand to; to beckon. 

  • To be moved, or to pass, on a buoyant medium; to float. 

  • To (cause to) float easily or gently through the air. 

noun
  • A flag used to indicate wind direction or, with a knot tied in the center, as a signal; a waif, a wheft. 

  • Something (such as an odor or perfume) that is carried through the air. 

  • A light breeze. 

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