yens vs yo

yens

pron
  • You, you all; used in referring to a group that includes one's audience. 

yo

pron
  • third-person singular, familiar 

intj
  • An expression of surprise or excitement. 

  • An interjection similar to hey. 

  • A greeting similar to hi. 

  • Present! Here! 

  • Emphatic conclusion to a statement. 

noun
  • The letter Ё, ё. 

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