glower vs smirk

glower

noun
  • An angry glare or stare. 

  • That which glows or emits light. 

verb
  • To look or stare with anger. 

smirk

noun
  • An uneven, often crooked smile that is insolent, self-satisfied, conceited or scornful. 

  • A forced or affected smile. 

verb
  • To smile in a way that is affected, smug, insolent or contemptuous. 

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