courseware vs spreadsheet

courseware

noun
  • Educational material, such as software or documents, in computerized form. 

spreadsheet

noun
  • A document created with such an application. 

  • A computer application for organization, analysis, and storage of data in tabular form. 

verb
  • To model or compute by means of a spreadsheet. 

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