constructor vs shaper

constructor

noun
  • A person who, or thing that, constructs. 

  • A company or individual who builds racing vehicles. In Formula One, constructor status is strictly defined by the rules, but in other motorsports the term is merely a descriptor. Depending on the racing rules, some constructors (e.g. Cosworth) may provide vehicles to racing teams who are not themselves constructors, while others are both teams and constructors (Ducati Corse, Scuderia Ferrari). 

  • A class method that creates and initializes each instance of an object. 

shaper

noun
  • One who shapes. 

  • A machine tool in which a single-point cutting tool mounted on a reciprocating ram is traversed across the workpiece linearly. Shapers can generate various shapes, but were most especially employed in generating flat surfaces and keyways. The shaper is nowadays obsolescent, most of its applications being served by milling machines. 

  • A person who designs and builds surfboards. 

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