build vs purge

build

verb
  • To establish a basis for (something). 

  • To be converted into software by compilation, usually with minimal human intervention. 

  • To develop or give form to (something) according to a plan or process. 

  • To construct (software) by compiling its source code. 

  • To form by combining materials or parts. 

  • To develop in magnitude or extent. 

  • To increase or strengthen (something) by adding gradually to. 

  • To form (something) by combining materials or parts. 

noun
  • A structure, such as a building, statue, pool or forest, or a configuration of a character's items or skills, created by the player. 

  • Any of various versions of a software product as it is being developed for release to users. 

  • The physique of a human or animal body, or other object; constitution or structure. 

purge

verb
  • To become pure, as by clarification. 

  • To free from sin, guilt, or the burden or responsibility of misdeeds. 

  • To void or evacuate (the bowels or the stomach); to defecate or vomit. 

  • To forcibly remove people from. 

  • To have or produce frequent evacuations from the intestines, as by means of a cathartic. 

  • To trim, dress, or prune. 

  • To remove by cleansing; to wash away. 

  • To clarify; to clear the dregs from (liquor). 

  • To cause someone to purge, operate on (somebody) as or with a cathartic or emetic, or in a similar manner. 

  • To clean thoroughly; to cleanse; to rid of impurities. 

  • To forcibly remove, e.g., from political activity. 

  • To clear of a charge, suspicion, or imputation. 

noun
  • An evacuation of the bowels or a vomiting. 

  • That which purges; especially, a medicine that evacuates the intestines; a cathartic. 

  • A cleansing of pipes. 

  • An act of purging. 

  • A forcible removal of people, for example, from political activity. 

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