approve vs oppose

approve

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

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

oppose

verb
  • To object to. 

  • To place in front of, or over against; to set opposite; to exhibit. 

  • To attempt to stop the progression of; to resist or antagonize by physical means, or by arguments, etc.; to contend against. 

  • To present or set up in opposition; to pose. 

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