nutriment vs pabulum

nutriment

noun
  • A source of nourishment; food. 

  • Something that promotes growth or development; a nutrient. 

pabulum

noun
  • Food or fodder, particularly that taken in by plants or animals. 

  • Food for thought. 

  • Material that feeds a fire. 

  • Bland intellectual fare; an undemanding diet of words. 

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