embarge vs pitch in

embarge

verb
  • To board a barge; to embark. 

  • To put in a barge. 

noun
  • An embargo. 

pitch in

verb
  • To begin briskly. 

  • To help out; lend assistance; contribute; to do one's part to help. 

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