bonafidely vs fair dinkum

bonafidely

adv

  • In a bona fide manner; genuinely; in good faith. 

fair dinkum

adv

  • Truly, honestly. 

adj

  • Genuine, honest, fair and square. 

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