in contention vs undetermined

in contention

prep
  • Used other than figuratively or idiomatically: see in, contention. 

  • Contending for a title or championship. 

undetermined

adj
  • Not determined; not settled; not decided. 

  • Not limited; not defined; indeterminate. 

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