debase vs straighten

debase

verb
  • To lower the value of (a currency) by reducing the amount of valuable metal in the coins. 

  • To lower in character, quality, or value; to degrade. 

straighten

verb
  • To bribe or corrupt. 

  • To clarify a situation or concept to (an audience). 

  • To stand up, especially from a sitting position. 

  • To cause to become straight. 

  • To become straight. 

  • To put in order; to sort; to tidy up. 

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