lightweight vs zero out

lightweight

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. 

adj
  • Lacking in earnestness, ability, or profundity 

  • Having less than average weight 

  • Lacking in strength 

  • Having a small footprint or performance impact 

zero out

verb
  • To reduce to zero. 

  • To press or dial 0 in order to escape a voicemail recording facility and speak to an operator. 

  • To cut off funding for (a project). 

  • To fill with zeros, replacing any previous contents. 

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