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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
are replica
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are replica" is not correct in standard written English as it lacks a subject and context.
It could be used in a sentence where "replica" is a noun that needs a subject to clarify what is being referred to, such as "These items are replicas." Example: "The artifacts displayed in the museum are replicas of ancient tools used by early civilizations."
⚠ May contain grammatical issues
News & Media
Science
Wiki
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
Somewhere between trying to save a basket case and blowing your retirement savings, there are replica bargains to be had ranging from complete cars indistinguishable from original Cobras to machines that make noise, earn double-takes, but would not stand up to an enthusiast's scrutiny.
News & Media
This phenomenon happens when there are replica DOAs θ re producing the same optimized solution for c as the true DOAs θ ge such that begin{array}{*{20}l} mathbf{c}_{text{opt}}left(theta_{text{ge}}right) = mathbf{c}_{text{opt}}left(theta_{text{re}}right).
There are replica Robin belts available online, but most of them are expensive.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
All, thankfully, are replicas.
News & Media
"They are replicas of cows.
News & Media
The ancient pots on display in the show are replicas.
News & Media
Even many of the subsidiary characters are replicas of Hearst's associates.
News & Media
"But mentally and spiritually, she's here and her kids are replicas of her".
News & Media
As a consequence of the fire, about 50percentt of the airplanes on display are replicas.
News & Media
To my left are replicas of the Empire State and Chrysler buildings.
News & Media
Many of the home's period-looking light fixtures are replicas.
News & Media
Expert writing Tips
Best practice
When using "replica", ensure the subject agrees in number. For plural subjects, use "are replicas"; for singular subjects, use "is a replica".
Common error
Avoid using "are replica" without ensuring proper subject-verb agreement. Always use "are replicas" for plural subjects or rephrase the sentence for grammatical accuracy.
Source & Trust
78%
Authority and reliability
2.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are replica" functions as an incomplete predicate nominative. It requires a plural noun ("replicas") to correctly identify what the subject is. According to Ludwig AI, the phrase is not correct in standard written English without this adjustment.
Frequent in
News & Media
33.33%
Science
33.33%
Wiki
33.33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "are replica" is grammatically incorrect and should be "are replicas" to ensure subject-verb agreement. Ludwig AI confirms this grammatical issue. While examples exist across various contexts like News & Media, Science and Wiki, its incorrectness makes it less suitable for formal usage. Consider using alternatives like "are copies" or "are reproductions" for better clarity and correctness. Always ensure that the noun 'replica' is pluralized when used with the verb 'are'.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are copies
Replaces "replica" with "copies", a more common and grammatically correct term for duplicates.
are reproductions
Substitutes "replica" with "reproductions", providing a more formal synonym for copies.
are duplicates
Uses "duplicates" instead of "replica", emphasizing the identical nature of the items.
are imitation
Replaces "replica" with "imitation", highlighting the non-genuine nature of the items.
are imitations
Uses "imitations" instead of "replicas", stressing that the items are not original or authentic.
are mock-ups
Offers "mock-ups" as a replacement for "replica", suggesting the items are for demonstration or testing purposes.
are models
Uses "models" instead of "replicas", implying scaled-down or representative versions.
are facsimiles
Substitutes "replica" with "facsimiles", a more technical term for exact copies, often used in document reproduction.
are look-alikes
Replaces "replica" with "look-alikes", emphasizing the similarity in appearance but not necessarily in function or quality.
are representations
Offers "representations" as a broader term for "replica", suggesting the items symbolize or depict something else.
FAQs
How to use "are replica" correctly in a sentence?
The phrase "are replica" is grammatically incorrect. The correct form is "are replicas". For example, "The items on display are replicas of the original artifacts".
What can I say instead of "are replica"?
You can use alternatives like "are copies", "are reproductions", or "are duplicates" depending on the context.
Which is correct, "are replica" or "are replicas"?
"Are replicas" is the correct phrase. The term "replica" is a noun, and in this context, it should be pluralized to agree with the plural verb "are".
What's the difference between "are replica" and "are replicas"?
"Are replica" is grammatically incorrect due to a lack of subject-verb agreement. "Are replicas" is the correct form, using the plural noun "replicas" to match the plural verb "are".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
78%
Authority and reliability
2.1/5
Expert rating
Real-world application tested