passage at arms vs run-in

passage at arms

run-in

noun
  • The end-phase of a competition. 

  • An encounter; a scrape or brush, especially one involving trouble or difficulty. 

adj
  • (not comparable) Having been run in before or behind previous text. 

  • (sometimes comparable) Having been run in to seat the parts. 

How often have the words passage at arms and run-in occurred in a corpus of books? (source: Google Ngram Viewer )