syllabary vs text file

syllabary

noun
  • A writing system where each character represents a complete syllable. 

  • A table or list of syllabic letters or syllables. 

text file

noun
  • A data file in a character encoding that allows it to be read in non-specialised text editor. 

  • A data file containing only plain, human-readable text, distinct from documents with embedded formatting 

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