accredit vs permit

accredit

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

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

  • To credit. 

  • To ascribe; attribute; credit with. 

  • To believe; to put trust in. 

  • To recognize as outstanding. 

permit

verb
  • To grant formal authorization for (something). 

  • To allow (something) to happen, to give permission for. 

  • To allow for, to make something possible. 

  • To allow, to admit (of). 

  • To attempt to obtain or succeed in obtaining formal authorization for (something). 

  • To allow (someone) to do something; to give permission to. 

noun
  • A pompano of the species Trachinotus falcatus. 

  • An artifact or document rendering something allowed or legal. 

  • A learner's permit. 

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