dialog vs one-to-one

dialog

noun
  • A conversation or other form of discourse between two or more individuals. 

  • A literary form, where the presentation resembles a conversation. 

  • In a dramatic or literary presentation, the verbal parts of the script or text; the verbalizations of the actors or characters. 

  • A dialog box. 

verb
  • To discuss or negotiate so that all parties can reach an understanding. 

one-to-one

noun
  • A personal relationship between two people. 

adj
  • Matching each member of one set with exactly one member of another set. 

  • Injective, being an injection: having the property that no two elements of the domain are mapped to the same image. 

  • Involving direct communication between two people. 

How often have the words dialog and one-to-one occurred in a corpus of books? (source: Google Ngram Viewer )