deficient vs lightweight

deficient

adj
  • Lacking something essential; often construed with in. 

  • Insufficient or inadequate in amount. 

  • Of a number n, Having the sum of divisors σ(n)<2n, or, equivalently, the sum of proper divisors (or aliquot sum) s(n). 

noun
  • A person who is deficient. 

lightweight

adj
  • Lacking in earnestness, ability, or profundity 

  • Having less than average weight 

  • Lacking in strength 

  • Having a small footprint or performance impact 

verb
  • To reduce the amount or weight of. 

noun
  • A political candidate with little chance of winning 

  • A particular weight category as prescribed by the rules, separate from an open or heavyweight class. 

  • A particular weight class, or member of such, as prescribed by the rules, between that of the heavier welterweight and the lighter featherweight. See Wikipedia for the specifics of each sport. 

  • A competitive weight division as prescribed by the rules, between the heavier middleweight and the lighter featherweight. 

  • One of little consequence or ability. 

  • A person who cannot handle their drink; one who gets drunk on very little alcohol. 

  • A person with low endurance. 

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