teen vs teenage

teen

adj
  • Of or having to do with teenagers; teenage 

noun
  • Vexation; anger; hate. 

  • Synonym of teenager: a person between 13 and 19 years old. 

teenage

adj
  • Of or relating to an age between thirteen and nineteen years old. 

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