approve vs bemoan

approve

verb
  • To officially sanction; to ratify; to confirm; to set as satisfactory. 

  • To make profit of; to convert to one's own profit — said especially of waste or common land appropriated by the lord of the manor. 

  • To consider worthy (to); to be pleased (with); to accept. 

  • To regard as good; to commend; to be pleased with; to think well of. 

bemoan

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

  • To moan or complain about (something). 

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