run-in vs vendetta

run-in

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

  • The end-phase of a competition. 

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

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

vendetta

noun
  • A bitter, destructive feud, normally between two families, clans, or factions, in which each injury or slaying is revenged: a blood feud. 

  • Revenge. 

  • A motivational grudge against a person or faction, which may or may not be reciprocated; the state of having it in for someone. 

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