accredit vs commission

accredit

verb
  • To put or bring into credit; to invest with credit or authority; to sanction. 

  • To certify as meeting a predetermined standard; to certify an educational institution as upholding the specified standards necessary for the students to advance. 

  • To enter on the credit side of an account book. 

  • To send with letters credential, as an ambassador, envoy, or diplomatic agent; to authorize, as a messenger or delegate. 

  • To credit. 

  • To ascribe; attribute; credit with. 

  • To believe; to put trust in. 

  • To recognize as outstanding. 

commission

verb
  • To send or officially charge someone or some group to do something. 

  • To put into active service. 

  • To place an order for (often a piece of art). 

noun
  • A fee charged by an agent or broker for carrying out a transaction. 

  • The thing to be done as agent for another. 

  • The act of committing (e.g. a crime or error). 

  • A sending or mission (to do or accomplish something). 

  • An official charge or authority to do something, often used of military officers. 

  • A body or group of people, officially tasked with carrying out a particular function. 

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