Duplicate
Duplicate noun - Something that is made to look exactly like something else.
Usage example: a duplicate of a house key
Prototype
Prototype noun - One of a group or collection that shows what the whole is like.
How words are described
Cite this Source
Prototype and Duplicate. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/duplicate/prototype
Duplicate & Prototype. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/duplicate/prototype>.
Prototype or Duplicate. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/duplicate/prototype.
Google Ngram Viewer shows how "duplicate" and "prototype" have occurred on timeline