approve vs halt

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. 

halt

verb
  • To be lame, faulty, or defective, as in connection with ideas, or in measure, or in versification. 

  • To bring to a stop. 

  • To limp; move with a limping gait. 

  • To stand in doubt whether to proceed, or what to do; hesitate; be uncertain; linger; delay; mammer. 

  • To falter. 

  • To stop marching. 

  • To stop either temporarily or permanently. 

  • To cause to discontinue. 

  • To waver. 

noun
  • A minor railway station (usually unstaffed) in the United Kingdom. 

  • A cessation, either temporary or permanent. 

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