remove vs sweeten

remove

verb
  • To delete. 

  • To discard, set aside, especially something abstract (a thought, feeling, etc.). 

  • To murder. 

  • To dismiss or discharge from office. 

  • To move something or someone from one place to another, especially to take away. 

  • To dismiss a batsman. 

noun
  • Distance in time or space; interval. 

  • A step or gradation (as in the phrase "at one remove") 

  • (at some public schools) A division of the school, especially the form prior to last 

  • Emotional distance or indifference. 

  • The act of resetting a horse's shoe. 

  • The act of removing something. 

  • A dish served to replace an earlier one during a meal; a part of a new course. 

sweeten

verb
  • To make pure and salubrious by destroying noxious matter. 

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

  • 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 (more) pleasant or to the mind or feelings. 

  • To make mild or kind; to soften. 

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