pent vs shut up

pent

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

noun
  • A pentatonic scale. 

  • A pentacle or pentagram. 

  • Confinement; concealment. 

shut up

adj
  • Closed up or off, as in a building that no one is to enter. 

verb
  • Of a person, to stop talking or (of a person or thing) making noise. 

  • To terminate (a business). 

  • To close (a building) so that no one can enter. 

  • To put (someone or something) in a secure enclosed space, such as a room or container. 

intj
  • Stop talking, crying, etc. 

  • I don't believe it!, no way! 

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