commendation vs guff

commendation

noun
  • The act of commending; praise; favorable representation in words; recommendation. 

  • That which is the ground of approbation or praise. 

  • A message of affection or respect; compliments; greeting. 

  • An award or recognition for performance; a medal. 

guff

noun
  • Insolent or otherwise unacceptable remarks. 

  • A fart; act of breaking wind. 

  • Nonsensical talk or thinking. 

  • Superfluous information. 

verb
  • To mislead. 

  • To fart. 

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