smile vs vibe

smile

verb
  • To be propitious or favourable; to countenance. 

  • To have (a smile) on one's face. 

  • To express by smiling. 

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

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

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. 

vibe

verb
  • To feel in agreement with; to appreciate. 

  • To agree. 

  • To get along; to hit it off. 

  • To relax and enjoy oneself. 

  • To stimulate with a vibrator. 

noun
  • An atmosphere or aura felt to belong to a person, place or thing. 

  • Vibration. 

  • A vibrator (sex toy). 

  • A vibraphone. 

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