commendation vs honorable mention

commendation

noun
  • An award or recognition for performance; a medal. 

  • 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. 

honorable mention

noun
  • An award or recognition given to a person or thing who does not make it to a higher standing but whose performance or entry was noteworthy. 

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