emolument vs stipend

emolument

noun
  • Payment for employment or an office; compensation for a job, which is usually monetary. 

stipend

noun
  • Some other form of fixed (and generally small) payment occurring at regular intervals, such as an allowance, a pension, or (obsolete) a tax. 

  • A scholarship granted to a student. 

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