enough vs shortfall

enough

intj
  • Stop! Don't do that any more! 

noun
  • An instance of being sufficient, or of doing something sufficiently. 

pron
  • A sufficient or adequate number, amount, etc. 

det
  • Sufficient; all that is required, needed, or appropriate. 

adv
  • Used after certain adverbs to emphasise that a quality is notable, unexpected, etc. 

  • Fully; quite; used after adjectives to express slight augmentation of the positive degree, and sometimes equivalent to very. 

  • Sufficiently. 

shortfall

noun
  • The amount by which a quota, debt, or monthly payment on a debt or other obligation is missed; the difference between the actual quota or debt and the lesser amount available to pay such obligations. 

  • An instance of not meeting a quota, debt, or monthly payment on a debt or other obligation, or of having an insufficient amount to cover such obligations. 

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