audit vs go over with a fine-tooth comb

audit

noun
  • An examination in general. 

  • Spiritual counseling, which forms the core of Dianetics. 

  • A judicial examination. 

  • The result of such an examination, or an account as adjusted by auditors; final account. 

  • An independent review and examination of records and activities to assess the adequacy of system controls, to ensure compliance with established policies and operational procedures, and to recommend necessary changes in controls, policies, or procedures 

verb
  • To counsel spiritually. 

  • To attend an academic class without the opportunity to receive academic credit. 

  • To conduct an independent review and examination of system records and activities in order to test the adequacy and effectiveness of data security and data integrity procedures, to ensure compliance with established policy and operational procedures, and to recommend any necessary changes 

  • To examine and adjust (e.g. an account). 

go over with a fine-tooth comb

How often have the words audit and go over with a fine-tooth comb occurred in a corpus of books? (source: Google Ngram Viewer )