notwithstanding vs undisirregardless

notwithstanding

adv
  • Nevertheless, all the same. 

conj
  • Although; despite; even though. 

prep
  • In spite of, despite. 

postp
  • In spite of, despite. 

undisirregardless

adv
  • Synonym of regardless 

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