bas-relief vs statue

bas-relief

noun
  • A low or mostly-flat sculpture which is carved into a wall, or is in the form of a tile mounted flat to a wall, rather than a fully three-dimensional, free-standing figure. 

adj
  • Refers to any aspect of sculpture which is flat or in the bas relief style. 

statue

noun
  • A three-dimensional work of art, usually representing a person or animal, usually created by sculpting, carving, molding, or casting. 

verb
  • To form a statue of; to make into a statue. 

How often have the words bas-relief and statue occurred in a corpus of books? (source: Google Ngram Viewer )