concern vs fizzle

concern

noun
  • A worry; a sense that something may be wrong; an identification of a possible problem. 

  • The placement of interest or worry on a subject. 

  • The expression of solicitude, anxiety, or compassion toward a thing or person. 

  • That which affects one’s welfare or happiness. A matter of interest to someone. 

  • A business, firm or enterprise; a company. 

  • Any set of information that affects the code of a computer program. 

verb
  • To engage by feeling or sentiment; to interest. 

  • To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to. 

  • To make somebody worried. 

fizzle

noun
  • A state of agitation or worry. 

  • Failure of an exploding nuclear bomb to meet its expected yield during testing. 

  • An abortive effort; a flop or dud. 

  • A spluttering or hissing sound. 

verb
  • To fail to generate the expected yield when exploded during testing. 

  • To decay or die off to nothing; to burn out; to end less successfully than previously hoped. 

  • To sputter or hiss. 

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