sufficiency vs underage

sufficiency

noun
  • The quality or condition of being sufficient. 

  • An adequate amount. 

underage

noun
  • A deficit or shortfall in funds, inventory, or capacity. 

adj
  • Not yet a legal adult; still a minor. 

  • Below the legal age for some activity, such as drinking or having sex. 

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