converse vs verso

converse

verb
  • To keep company; to hold intimate intercourse; to commune. 

  • To talk; to engage in conversation. 

adj
  • opposite; reversed in order or relation; reciprocal 

noun
  • Free verbal interchange of thoughts or views; conversation; chat. 

  • The opposite or reverse. 

  • One of a pair of terms that name or describe a relationship from opposite perspectives; converse antonym; relational antonym. 

  • Of a proposition or theorem of the form: given that "If A is true, then B is true", then "If B is true, then A is true.". 

verso

noun
  • The left-hand page of a book of a script which reads from left to right, usually having an even page number. 

  • The back side of a flat object which is to be examined visually, as for reading, such as a sheet, leaf, coin or medal; 

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