glossator vs polyglot

glossator

noun
  • A legal scholar of the Middle Ages, (specifically) one who authored glosses on legal texts (especially the Corpus Juris of Justinian), typically distinguished from the later commentators who wrote in extended prose and adopted a more pragmatic form of jurisprudence. 

  • One who writes glosses. 

polyglot

noun
  • A publication in several languages; specifically, a book (especially a bible) containing several versions of the same subject matter or text in several languages. 

  • A mixture of languages or nomenclatures. 

  • One who has mastered (especially when able to speak) several languages. 

  • A file that can be interpreted validly as multiple formats. 

  • A program written to be valid in multiple programming languages. 

adj
  • Of a person: speaking, or versed in, many languages; multilingual. 

  • Containing, or made up of, several languages; specifically, of a book (especially a bible): having text translated into several languages. 

  • Comprising various (native) linguistic groups; multilingual. 

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