as and when vs notwithstanding

as and when

conj

  • as soon as 

notwithstanding

conj

  • Although; despite; even though. 

adv

  • Nevertheless, all the same. 

prep

  • In spite of, despite. 

postp

  • In spite of, despite. 

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