liberated vs pent

liberated

adj
  • Freed, especially from traditional ideas in social and sexual matters. 

pent

adj
  • Confined in, or as if in, a pen; imprisoned. 

noun
  • A pentatonic scale. 

  • A pentacle or pentagram. 

  • Confinement; concealment. 

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