fee vs straighten

fee

verb
  • To reward for services performed, or to be performed; to recompense; to hire or keep in hire; hence, to bribe. 

noun
  • A right to the use of a superior's land as a stipend for certain services to be performed, typically military service. 

  • An additional monetary payment charged for a service or good that is minor compared to the underlying cost. 

  • Synonym of fief: the land so held. 

  • An inheritable estate in land, whether absolute and without limitation to potential heirs (fee simple) or with limitations to particular kinds of heirs (fee tail). 

  • An inheritable estate in land held of a feudal lord on condition of performance of certain services, typically military service. 

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 fee and straighten occurred in a corpus of books? (source: Google Ngram Viewer )