achievement vs capping

achievement

noun
  • A great or heroic deed or feat; something accomplished by valor or boldness. 

  • The act of achieving or performing; a successful performance; accomplishment. 

  • The lexical aspect (aktionsart) of verbs or predicates that change in an instant. 

  • An award for completing a particular task or meeting an objective in a video game. 

  • An escutcheon or ensign armorial; a full display or depiction of all the heraldic components to which the bearer of a coat of arms is entitled; (now especially) a funeral shield: the hatchment. 

  • The successful completion of a socially defined goal or task, highlighting individual or group accomplishment. 

capping

noun
  • The act of removing one's hat as a token of respect. 

  • The process of covering a borehole in order to seal an oil well. 

  • The selling of a security etc. close to an expiry date. 

  • The conversion of a polyhedron into a stellated polyhedron by raising a pyramid on each face. 

  • The recording of a television broadcast to one's computer. 

  • The method of capitalizing every other word in social media titling and tagging to improve readability over unmixed case. Example: #CAPPINGimprovesREADABILITY. 

  • Lying or exaggerating. 

  • the leached upper part of a body or rock that still contains disseminated sulphide mineral deposit. 

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