all over again vs over and above

all over again

adv

  • Once again; one further time. 

over and above

adv

  • Supplementarily. 

  • More than is necessary or than expected. 

  • more than is required e.g. by a contract. 

prep

  • in addition to, supplementary to 

How often have the words all over again and over and above occurred in a corpus of books? (source: Google Ngram Viewer )