gingerly vs with a grain of salt

gingerly

adv
  • In a cautious and delicate manner; (very) carefully or cautiously. 

adj
  • Often of movements: very careful, cautious, or delicate. 

with a grain of salt

adv
  • With a little common sense and skepticism. 

How often have the words gingerly and with a grain of salt occurred in a corpus of books? (source: Google Ngram Viewer )