fingers crossed vs positively

fingers crossed

adv

  • hopefully 

phrase

  • - used to express that one is expectant and hoping. 

positively

adv

  • With certainty. 

  • In a positive manner. 

  • Absolutely; utterly. 

  • Very. 

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