insufficient vs overboard

insufficient

det
  • An inadequate quantity of; not enough. 

  • A quantity (of something) that is less than is needed. 

adj
  • Not sufficient; lacking competent power or ability; unqualified, unequal, unfit. 

  • Not sufficient; of a type or kind that does not suffice, that does not satisfy requirements or needs. 

overboard

adj
  • Outside of a boat; in the water. 

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

  • Excessively; too much. 

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

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