bona fide vs trusty dusty

bona fide

adj

  • In good faith; sincere; without deception or ulterior motive. 

  • Genuine; not counterfeit. 

adv

  • In good faith; genuinely, sincerely. 

trusty dusty

adj

  • Synonym of trustworthy 

How often have the words bona fide and trusty dusty occurred in a corpus of books? (source: Google Ngram Viewer )