inflame vs sweeten

inflame

verb
  • To kindle or intensify (a feeling, as passion or appetite); to excite to an excessive or unnatural action or heat. 

  • To put in a state of inflammation; to produce morbid heat, congestion, or swelling, of. 

  • To grow morbidly hot, congested, or painful; to become angry or incensed. 

  • To provoke (a person) to anger or rage; to exasperate; to irritate; to incense; to enrage. 

  • To exaggerate; to enlarge upon. 

  • To set on fire; to kindle; to cause to burn, flame, or glow. 

sweeten

verb
  • To make (more) pleasant or to the mind or feelings. 

  • To supplement (a composition) with additional instruments, especially strings. 

  • To make pure and salubrious by destroying noxious matter. 

  • To make warm and fertile. 

  • To restore to purity; to free from taint. 

  • To become sweet. 

  • To make less painful or laborious; to relieve. 

  • To soften to the eye; to make delicate. 

  • To make sweet to the taste. 

  • To make more attractive; said of offers in negotiations. 

  • To make mild or kind; to soften. 

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