back and forth vs elsewhere

back and forth

adv
  • From one place to another and back again. 

adj
  • Going from one place or position to another and back again. 

noun
  • Negotiations or discussions between two or more parties, a dialog. 

  • The movement (of someone or something) forward followed by a return to the same position. May refer to a concept such as an emotional state or a relationship as well as a physical thing. 

elsewhere

adv
  • Synonym of somewhere else: in, at, or to some other place. 

noun
  • Synonym of somewhere else: a place other than here. 

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