dialogue vs head-to-head

dialogue

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

  • To put into dialogue form. 

noun
  • 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 dialogue box. 

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

head-to-head

adj
  • Direct, one-to-one. 

adv
  • Directly, one-to-one. 

  • Facing one another. 

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