Counterfeit
Counterfeit verb - To imitate or copy especially in order to deceive.
Usage example: an expert at counterfeiting money
Duplicate and counterfeit are semantically related in copy topic. In some cases you can use "Duplicate" instead the word "Counterfeit" as a noun or a verb or an adjective, when it comes to topics like reproduce, mock-up.
Duplicate
Duplicate noun - Something that is made to look exactly like something else.
Usage example: a duplicate of a house key
Counterfeit and duplicate are semantically related in copy topic. Sometimes you can use "Counterfeit" instead the word "Duplicate" as a noun or a verb or an adjective, if it concerns topics such as repeat, reproduce, mock-up.
Mutual synonyms
Related pairs
Both words in one sentence
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One of the advantages the Lens has over any other badge of office is that it's impossible to fully duplicate one as a counterfeit.
Source: Literature / Lensman
Cite this Source
Duplicate and Counterfeit. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/counterfeit/duplicate
Counterfeit & Duplicate. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/counterfeit/duplicate>.
Duplicate or Counterfeit. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/counterfeit/duplicate.
Google Ngram Viewer shows how "counterfeit" and "duplicate" have occurred on timeline