commanding vs redoubtable

commanding

adj
  • Tending to give commands, authoritarian. 

  • Impressively dominant. 

  • Dominating from above, giving a wide view 

noun
  • The act of giving a command. 

redoubtable

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

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