argonaut vs beau sabreur

argonaut

noun
  • An adventurer on a dangerous but rewarding quest. 

  • Any of several species of shelled octopods of the family Argonautidae (of which only the genus Argonauta is not extinct). 

beau sabreur

noun
  • A gallant warrior; a handsome or dashing adventurer. 

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