Vandal vs barbarous

Vandal

adj
  • Of or relating to the Vandals. 

noun
  • A member of an ancient east Germanic tribe famous for sacking Rome. 

name
  • An extinct East Germanic language ascribed to have been spoken by the Vandals. 

barbarous

adj
  • Mercilessly or impudently violent or cruel, savage. 

  • Not classical or pure. 

  • Uncivilized, uncultured. 

  • Like a barbarian, especially in sound; noisy, dissonant. 

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