provider vs recipient

provider

noun
  • One who, or that which, provides a service, commodity, or the means for subsistence. 

recipient

adj
  • receiving 

noun
  • An individual receiving donor organs or tissues. 

  • The portion of an alembic or other still in which the distilled liquid is collected. 

  • One who receives. 

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