accredit vs qualify

accredit

verb
  • 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 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. 

qualify

verb
  • To certify or license someone for something. 

  • To throw and catch each object at least twice. 

  • To compete successfully in some stage of a competition and become eligible for the next stage. 

  • To make someone, or to become competent or eligible for some position or task. 

  • To modify, limit, restrict or moderate something; especially to add conditions or requirements for an assertion to be true. 

  • To give individual quality to; to modulate; to vary; to regulate. 

  • To describe or characterize something by listing its qualities. 

noun
  • An instance of throwing and catching each prop at least twice. 

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