shape vs silhouette

shape

noun
  • The appearance of something in terms of its arrangement in space, especially its outline; often a basic geometric two-dimensional figure. 

  • Form; formation. 

  • Condition of personal health, especially muscular health. 

  • In the Hack programming language, a group of data fields each of which has a name and a data type. 

  • A loaded die. 

  • A piece which has been roughly forged nearly to the form it will receive when completely forged or fitted. 

  • A rolled or hammered piece, such as a bar, beam, angle iron, etc., having a cross section different from merchant bar. 

  • The status or condition of something 

verb
  • To form or manipulate something into a certain shape. 

  • To create or make. 

  • To give something a shape and definition. 

  • To give influence to. 

  • To suit; to be adjusted or conformable. 

silhouette

noun
  • An illustrated outline filled in with a solid color(s), usually only black, and intended to represent the shape of an object without revealing any other visual details; a similar appearance produced when the object being viewed is situated in relative darkness with brighter lighting behind it; a profile portrait in black, such as a shadow appears to be. 

verb
  • To represent by a silhouette; to project upon a background, so as to be like a silhouette. 

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