smile vs wince

smile

noun
  • Favour; propitious regard. 

  • A facial expression comprised by flexing the muscles of both ends of one's mouth, often showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement, goodwill, or anxiety. 

verb
  • To have (a smile) on one's face. 

  • To express by smiling. 

  • To express amusement, pleasure, or love and kindness. 

  • To be propitious or favourable; to countenance. 

  • To look cheerful and joyous; to have an appearance suited to excite joy. 

wince

verb
  • To wash (cloth), dip it in dye, etc., with the use of a wince. 

  • To flinch as if in pain or distress. 

  • To kick or flounce when unsteady or impatient. 

noun
  • A sudden movement or gesture of shrinking away. 

  • A reel used in dyeing, steeping, or washing cloth; a winch. It is placed over the division wall between two wince pits so as to allow the cloth to descend into either compartment at will. 

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