bumbling vs gliding

bumbling

adj
  • Acting in a confused or ineffectual way; incompetent; showing little or no skill. 

noun
  • The act of one who bumbles; a mistake or error, especially through clumsiness. 

gliding

adj
  • Employing flexitime. 

  • That moves or changes with a glide. 

noun
  • The hobby, sport, or act of flying a glider. 

  • The action or motion of something that glides. 

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