burn out vs interest

burn out

noun
  • (of a person) The condition of tiredness due to overwork. 

verb
  • To end one's shift at a job. 

  • To have one's tires skid against the ground; to peel off, peel out. 

  • To destroy by fire. 

  • To cause (someone) to tire due to overwork; to cause (someone) to overwork to one's limit. 

  • To make (someone) unavailable for work involving exposure to ionizing radiation by employing (the person) in such work until the person's accumulated exposure reaches the maximum permitted for an administrative period, typically a year. 

  • To tire due to overwork; to overwork to their limit. 

  • To become extinguished due to lack of fuel. 

  • To become nonfunctional (especially of lightbulbs or similar light-producing devices). 

interest

noun
  • Condition or quality of exciting concern or being of importance. 

  • A great attention and concern from someone or something; intellectual curiosity. 

  • An involvement, claim, right, share, stake in or link with a financial, business, or other undertaking or endeavor. 

  • The price paid for obtaining, or price received for providing, money or goods in a credit transaction, calculated as a fraction of the amount or value of what was borrowed. 

  • Any excess over and above an exact equivalent 

  • The persons interested in any particular business or measure, taken collectively. 

  • Something or someone one is interested in. 

  • Attention that is given to or received from someone or something. 

verb
  • To engage the attention of; to awaken interest in; to excite emotion or passion in, in behalf of a person or thing. 

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