stand down vs waive

stand down

verb
  • To withdraw or retire from a position or from a team. 

  • To wait; to stop pursuing, stop fighting, or relax from a heightened readiness posture. 

waive

verb
  • To relinquish (a right etc.); to give up claim to; to forgo. 

  • To relinquish claim on a payment or fee which would otherwise be due. 

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