typesetting vs writing system

typesetting

noun
  • The setting or composition of written material into type. 

writing system

noun
  • The basic type of a system for writing languages. For example, alphabetic writing or logographic writing. 

  • A system for writing one or more languages; a particular alphabetic, syllabic, logographic, or other scheme. For example, the Latin alphabet or the Cyrillic alphabet. 

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