implode vs thunder

implode

verb
  • To collapse or burst inward violently. 

  • To cause to collapse or burst inward violently. 

  • To compress (data) with a particular algorithm. 

  • The opposite of explode, array to string conversion. 

thunder

verb
  • To make a noise like thunder. 

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

  • 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. 

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