Spartan vs venturous

Spartan

noun
  • A citizen of Sparta; a native or inhabitant of Sparta. 

  • A red apple cultivar from British Columbia, Canada 

adj
  • Of or relating to Sparta or its citizens. 

venturous

adj
  • Adventurous; venturesome; willing to undertake activities involving risk. 

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