head-to-head vs natter

head-to-head

adj
  • Direct, one-to-one. 

adv
  • Directly, one-to-one. 

  • Facing one another. 

natter

verb
  • To nag. 

  • To talk casually; to discuss unimportant matters. 

noun
  • Mindless and irrelevant chatter. 

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