linguistic vs rhetorical

linguistic

adj
  • Of or relating to linguistics. 

  • Of or relating to language. 

  • Relating to a computer language. 

rhetorical

adj
  • Part of or similar to rhetoric, the use of language as a means to persuade. 

  • Not earnest, or presented only for the purpose of an argument. 

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