calligraphy vs writing

calligraphy

noun
  • The art or practice of writing letters and words in a decorative style; the letters and words so written. 

  • A document written in decorative style. 

  • Any such style of decorative writing. 

writing

noun
  • The style of writing of a person. 

  • Something written, such as a document, article or book. 

  • The process of representing a language with symbols or letters. 

  • Intended for or used in writing. 

  • Graphism of symbols such as letters that express some meaning. 

  • A work of an author. 

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