crepitate vs guff

crepitate

verb
  • to crackle, as crepitant lungs do, as some arthritic joints may do, or as some fractured bones may do. 

guff

verb
  • To mislead. 

  • To fart. 

noun
  • A fart; act of breaking wind. 

  • Nonsensical talk or thinking. 

  • Superfluous information. 

  • Insolent or otherwise unacceptable remarks. 

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