raising vs superstructure

raising

noun
  • The operation or work of setting up the frame of a building. 

  • Collection or gathering, especially of money. 

  • Elevation. 

  • Nurturing; cultivation; providing sustenance and protection for a living thing from conception to maturity 

  • The process of deepening colours in dyeing. 

  • A sound change in which a vowel or consonant becomes higher or raised, meaning that the tongue becomes more elevated or positioned closer to the roof of the mouth than before. 

  • The operation of embossing sheet metal, or of forming it into cup-shaped or hollow articles, by hammering, stamping, or spinning. 

  • Recruitment. 

  • The substance used to make bread rise. 

  • The movement of an argument from an embedded or subordinate clause to a matrix or main clause. 

superstructure

noun
  • Any material structure or edifice built on something else; that which is raised on a foundation or basis. 

  • The sleepers and fastenings, in distinction from the roadbed. 

  • The social sphere of ideology which includes religion, art, politics, law and all traditional values. 

  • Any structure built above the top full deck (FM 55-501). 

  • All that part of a building above the basement. 

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