bungled vs vain

bungled

adj
  • Incompetently performed; ruined through incompetent action; botched up. 

vain

adj
  • Effecting no purpose; pointless, futile. 

  • Overly proud of oneself, especially concerning appearance; having a high opinion of one's own accomplishments with slight reason. 

  • Showy; ostentatious. 

  • Having no real substance, value, or importance; empty; void; worthless; unsatisfying. 

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