indemnification vs quid pro quo

indemnification

noun
  • That which indemnifies. 

  • The state of being indemnified. 

  • The act or process of indemnifying, preserving, or securing against loss, damage, or penalty. 

  • indemnity 

  • A reimbursement of loss, damage, or penalty. 

quid pro quo

noun
  • Something which is understood as something else; an equivocation. 

  • An equal or fair transaction or series of process of exchange transactions; tit for tat. 

  • Something which is offered or asked for in exchange for something else. 

  • Substitution of one drug for another. 

  • A usually non-monetary exchange transaction, or series or process of exchange transactions. 

  • Sexual harassment in which a person in a workplace implicitly or explicitly requires sexual favours in exchange for something. 

How often have the words indemnification and quid pro quo occurred in a corpus of books? (source: Google Ngram Viewer )