embarge vs go ahead

embarge

verb
  • To board a barge; to embark. 

  • To put in a barge. 

noun
  • An embargo. 

go ahead

verb
  • To proceed with; to begin. 

  • Used to grant permission for or to give endorsement of a suggestion or proposal. 

  • To send communication over the radio. 

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