crucial vs undecided

crucial

adj
  • Very good; excellent; particularly applied to reggae music. 

  • Essential or decisive for determining the outcome or future of something; extremely important; vital. 

undecided

noun
  • A voter etc. who has not yet come to a decision. 

adj
  • Uncommitted, not having reached a decision. 

  • Open and not yet settled or determined. 

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