suit vs sweeten

suit

verb
  • To please; to make content; to fit one's taste. 

  • To be suitable or apt for one's image. 

  • To be appropriate or apt for. 

  • To make proper or suitable; to adapt or fit. 

  • To agree; to be fitted; to correspond (usually followed by to, archaically also followed by with) 

  • To dress; to clothe. 

noun
  • The full set of sails required for a ship. 

  • A set of clothes to be worn together, now especially a man's matching jacket and trousers (also business suit or lounge suit), or a similar outfit for a woman. 

  • The attempt to gain an end by legal process; a process instituted in a court of law for the recovery of a right or claim; a lawsuit. 

  • A person who wears matching jacket and trousers, especially a boss or a supervisor. 

  • A full set of armour. 

  • Each of the sets of a pack of cards distinguished by color and/or specific emblems, such as the spades, hearts, diamonds, or clubs of traditional Anglo, Hispanic, and French playing cards. 

  • Pursuit of a love-interest; wooing, courtship. 

  • A garment or set of garments suitable and/or required for a given task or activity: space suit, boiler suit, protective suit, swimsuit. 

  • Petition, request, entreaty. 

sweeten

verb
  • To make sweet to the taste. 

  • 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 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 suit and sweeten occurred in a corpus of books? (source: Google Ngram Viewer )