look vs smile

look

verb
  • To give an appearance of being. 

  • As a transitive verb, often in the imperative; chiefly takes relative clause as direct object. 

  • To make sure of, to see to. 

  • To look at a pitch as a batter without swinging at it. 

  • To express or manifest by a look. 

  • To face or present a view. 

  • To expect or anticipate. 

  • As an intransitive verb, often with "at". 

  • To search for, to try to find. 

  • To appear, to seem. 

intj
  • Pay attention. 

noun
  • A facial expression. 

  • Physical appearance, visual impression. 

  • The action of looking; an attempt to see. 

smile

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

  • 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. 

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. 

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