formerly vs somewhere

formerly

adv

  • at some time in the past 

  • previously; once 

somewhere

adv

  • At some unspecified point. 

  • In an uncertain or unspecified location. 

  • To an uncertain or unspecified location. 

noun

  • Unspecified or unknown (unlocated) place or location. 

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