Martial vs martial

Martial

name
  • An Anglicized cognomen or given name of the Roman poet Marcus Valerius Martialis, born in Spain in the first century AD and noted for his epigrams. 

  • A male given name from Latin, narrowly applied to certain historic persons (but some of its foreign cognates are modern given names). 

martial

adj
  • Connected with or relating to armed forces or the profession of arms or military life. 

  • Characteristic of or befitting a warrior; having a military bearing; soldierly. 

  • Of, relating to, or suggestive of war; warlike. 

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