somewhere vs somewheres

somewhere

adv

  • In an uncertain or unspecified location. 

  • To an uncertain or unspecified location. 

  • At some unspecified point. 

noun

  • Unspecified or unknown (unlocated) place or location. 

somewheres

adv

  • Somewhere, in some place. 

adj

  • Somewhere, in some place. 

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