sculpture vs superstruct

sculpture

verb
  • To change the shape of a land feature by erosion etc. 

  • To represent something in sculpture. 

  • To fashion something into a three-dimensional figure. 

noun
  • The three-dimensional ornamentation on the outer surface of a shell. 

  • Works of art created by sculpting, as a group. 

  • A three dimensional work of art created by shaping malleable objects and letting them harden or by chipping away pieces from a rock (sculpting). 

superstruct

verb
  • To build over or upon (another structure); to erect upon (a foundation). 

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