bemoan vs repent

bemoan

verb
  • To moan or complain about (something). 

  • To be dismayed or worried about (someone), particularly because of their situation or what has happened to them. 

repent

verb
  • To be sorry for, to regret. 

  • To feel pain, sorrow, or regret for what one has done or omitted to do; the cause for repenting may be indicated with "of". 

  • To feel pain on account of; to remember with sorrow. 

  • To be sorry for sin as morally evil, and to seek forgiveness; to cease to practice sin and to love. 

adj
  • Creeping along the ground. 

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