argonaut vs tripper

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). 

tripper

noun
  • A tourist. 

  • A person experiencing a hallucinogenic trip. 

  • Synonym of tripman 

  • One who trips or stumbles. 

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