crack vs perfect tense

crack

noun
  • A sharply humorous comment; a wisecrack. 

  • An attempt at something. 

  • A sharp, resounding blow. 

  • The tone of voice when changed at puberty. 

  • A program or procedure designed to circumvent restrictions or usage limits on software. 

  • Vagina. 

  • The space between the buttocks. 

  • A narrow opening. 

  • Any sharp sound. 

  • A thin and usually jagged space opened in a previously solid material. 

  • a meaningful chat. 

  • Something good-tasting or habit-forming. 

  • Extremely silly, absurd or off-the-wall ideas or prose. 

  • Conviviality; fun; good conversation, chat, gossip, or humorous storytelling; good company. 

  • The sharp sound made when solid material breaks. 

  • Business; events; news. 

  • Crack cocaine, a potent, relatively cheap, addictive variety of cocaine; often a rock, usually smoked through a crack-pipe. 

verb
  • To change rapidly in register. 

  • To become debilitated by psychological pressure. 

  • To form cracks. 

  • To make a cracking sound. 

  • To break open or crush to small pieces by impact or stress. 

  • To make a crack or cracks in. 

  • To make a sharply humorous comment. 

  • To open slightly. 

  • To overcome a security system or component. 

  • To break down (a complex molecule), especially with the application of heat: to pyrolyse. 

  • To break apart under force, stress, or pressure. 

  • To alternate between high and low register in the process of eventually lowering. 

  • To strike forcefully. 

  • To cause to yield under interrogation or other pressure. 

  • To circumvent software restrictions such as regional coding or time limits. 

  • To tell (a joke). 

  • To break down or yield, especially under interrogation or torture. 

  • To solve a difficult problem. 

  • To cause to make a sharp sound. 

  • To realize that one is transgender. 

  • To barely reach, attain to (a measurement, extent). 

  • To open a canned beverage, or any packaged drink or food. 

adj
  • Highly trained and competent. 

  • Excellent, first-rate, superior, top-notch. 

perfect tense

noun
  • Often, specifically, the present perfect tense as distinguished from the past perfect and future perfect tenses. 

  • A verb form indicating that an action or state has been completed at the present time, in the past, or shall be completed in the future. 

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