instructive vs thewed

instructive

adj
  • Conveying knowledge, information or instruction. 

noun
  • A case in the Finnish and Estonian languages. It expresses the means or the instrument used to perform an action. 

thewed

adj
  • Accustomed or educated. 

  • Having thews or muscles. 

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