recompense vs substituend

recompense

noun
  • An equivalent returned for anything given, done, or suffered; compensation; reward; amends; requital. 

  • That which compensates for an injury, or other type of harm or damage. 

verb
  • To reward or repay (someone) for something done, given etc. 

  • To give compensation for an injury, or other type of harm or damage. 

  • To give (something) in return; to pay back; to pay, as something earned or deserved. 

substituend

noun
  • A substitute; something that substitutes for another. 

  • A substituendum; something to be substituted or replaced. 

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