Duplicate
Knockoff
Knockoff noun - An unauthorized copy or imitation.
Duplicate and knockoff are semantically related in imitation topic. You can use "Duplicate" instead a noun "Knockoff", if it concerns topics such as reproduction.
Mutual synonyms
Related pairs
Both words in one sentence
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Evil Twin, Evil Counterpart, Evil Knockoff, and Criminal Doppelgänger are all about evil duplicates of one person, but the evil persona in the individual tropes are an identical twin, a persona from an Alternate Universe, an intentionally created duplicate, and an Identical Stranger, respectively.
Source: Sister Trope -
Evil Knockoff: The Syndicates attempt to duplicate Geary's improvised ship minefield, unsuccessfully.
Source: Literature / The Lost Fleet -
Evil Knockoff: Dark Meta Knight, a duplicate that masquerades as the true Meta Knight for most of the game.
Cite this Source
Knockoff and Duplicate. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/duplicate/knockoff
Duplicate & Knockoff. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/duplicate/knockoff>.
Knockoff or Duplicate. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/duplicate/knockoff.
Google Ngram Viewer shows how "duplicate" and "knockoff" have occurred on timeline