sensibly vs unbelievably

sensibly

adv
  • In a way that can be sensed or noticed; perceptibly. 

  • In a sensible manner; in a way that shows good sense. 

unbelievably

adv
  • To an extent not to be believed. 

  • Contrary to expectations, amazingly. 

  • In a manner that one does not or cannot believe. 

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