Used and loved by millions
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
that are identical
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that are identical" is correct and usable in written English.
You can use it to describe two or more items, concepts, or entities that are exactly the same in some way. Example: "The two documents contain information that are identical in content and structure."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Wiki
Formal & Business
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
60 human-written examples
Then it must not be added to Q. Are there two or more candidate cliques that are identical?
It's a fractal Africa, since there are subsets that are identical to the overall shape.
News & Media
Each item, even those that are identical, has its own individual price.
News & Media
Why does it give out customer ID numbers that are identical to actual account numbers?
News & Media
The DNA parts that are identical, or extremely similar in both strands, then form a double strand with each other.
News & Media
For instance, when interviewing job candidates, have a scorecard and a checklist that are identical from person to person.
News & Media
Disputes over ownership of band names that are identical or even similar are not uncommon in pop music.
News & Media
As antibodies circulate, they attack and neutralize antigens that are identical to the one that triggered the immune response.
Encyclopedias
Consider two funds that are identical, except that one had its best year three years ago, while the other had its best performance over the last 12 months.
News & Media
Homologous nucleotide positions are those that are identical by descent.
Residues that are identical in all sequences are shaded in grey.
Expert writing Tips
Best practice
When comparing multiple items, ensure the context clearly specifies which features or characteristics are "that are identical" to avoid ambiguity. For example, specify "These two models have features that are identical in performance."
Common error
Avoid using "that are identical" when describing items with superficial similarities; reserve it for cases where the match is exact and significant. For instance, instead of saying, "The colors are that are identical", say "The colors are similar" if they are not a perfect match.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that are identical" functions as a relative clause, modifying a noun or noun phrase by specifying a characteristic of complete sameness. Ludwig AI provides numerous examples illustrating its use across varied domains.
Frequent in
Science
60%
News & Media
25%
Encyclopedias
5%
Less common in
Wiki
5%
Formal & Business
5%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "that are identical" functions as a relative clause to denote complete equivalence. Ludwig AI confirms its grammatical correctness and widespread use across diverse contexts, especially in science, news media, and encyclopedic resources. When using the phrase, ensure the comparison is specific to avoid ambiguity, and reserve it for cases of exact matches. Given its frequent occurrence and versatility, understanding its correct application is crucial for precise and effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that are the same
Replaces "identical" with a more common synonym, "same", for simpler phrasing.
that are equivalent
Substitutes "identical" with "equivalent", suggesting functional or practical sameness.
that are indistinguishable
Emphasizes the inability to perceive any difference between the items.
that are alike
Offers a more informal and general way to express similarity.
that are interchangeable
Focuses on the ability to use one item in place of another without any difference.
that are uniform
Suggests a consistent and unvarying nature across all instances.
that are a match
Implies a precise correspondence or pairing between items.
that are twins
Uses a metaphor to emphasize the close resemblance, often implying origin.
that are copies
Highlights that one item is a direct replication of another.
that are congruent
Uses a more technical term to indicate perfect overlap, often in mathematical or geometric contexts.
FAQs
How can I use "that are identical" in a sentence?
Use "that are identical" to describe things that match exactly. For instance, "The two fingerprints that were found at the scene were "that are identical"."
What are some alternatives to using "that are identical"?
You can use phrases like "that are the same", "that are equivalent", or "that are indistinguishable" depending on the context.
Is it better to say "that are identical" or "which are identical"?
Both "that are identical" and "which are identical" are grammatically correct. "That" is typically used in restrictive clauses (essential to the sentence's meaning), while "which" is used in non-restrictive clauses (adds extra information but isn't essential). Choose the one that best fits the sentence structure and intended meaning.
What's the difference between "that are identical" and "that are similar"?
"That are identical" means the items are exactly the same, with no differences. "That are similar" means the items share some characteristics but are not exactly the same. For example, twins can be similar but not "that are identical".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested