overboard vs redundant

overboard

verb
  • To throw over the edge of a boat into the water. 

adj
  • Outside of a boat; in the water. 

adv
  • Over the edge; especially, off or outside of a boat. 

  • Excessively; too much. 

redundant

adj
  • Dismissed from employment because no longer needed. 

  • Repetitive or needlessly wordy. 

  • Superfluous; exceeding what is necessary, no longer needed. 

  • Duplicating or able to duplicate the function of another component of a system, providing backup in the event the other component fails. 

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