bye-bye vs vale

bye-bye

intj
  • Goodbye. 

noun
  • A goodbye. 

  • Bedtime for a toddler, going to sleep, going to bed. 

vale

intj
  • Farewell. 

noun
  • A valley. 

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