lucky vs redoubtable

lucky

adj
  • Favoured by luck; fortunate; having good success or good fortune. 

  • Producing, or resulting in, good fortune 

noun
  • seven 

redoubtable

adj
  • Eliciting respect or fear; imposing; awe-inspiring. 

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