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
they are called
Grammar usage guide and real-world examplesUSAGE SUMMARY
"they are called" is a correct and usable sentence in written English.
It can be used when introducing a name or label for something, particularly when there is a specific term for it. For example, "They are called solar cells, and they are used to generate electricity."
✓ Grammatically correct
News & Media
Science
Academia
Wiki
Formal & Business
Encyclopedias
Alternative expressions(15)
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
They are called editors.
News & Media
They are called gabions.
News & Media
"They are called cannibals".
News & Media
They are called Europeans.
News & Media
They are called advisers.
News & Media
They are called elections".
News & Media
They are called immunoengineers.
Academia
Guess what they are called?
News & Media
THEY are called "pub taxis".
News & Media
They are called The Phalanx.
News & Media
They are called, well, trees.
News & Media
Expert writing Tips
Best practice
Use "they are called" to introduce specific terms or labels for concepts, items, or groups. This phrase is particularly effective when clarifying terminology for an audience.
Common error
Ensure that the pronoun 'they' has a clear and unambiguous antecedent. Avoid using "they are called" if it's not immediately clear who or what 'they' refers to in the sentence.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they are called" serves as an introductory phrase used to specify the name, designation, or label of a group, concept, or item. It clarifies terminology and provides a common understanding, as Ludwig AI indicates.
Frequent in
News & Media
51%
Science
23%
Academia
9%
Less common in
Wiki
8%
Formal & Business
5%
Encyclopedias
4%
Ludwig's WRAP-UP
In summary, the phrase "they are called" functions as a versatile introductory phrase used to specify the name or label of a group, concept, or item. As Ludwig AI confirms, it is grammatically correct and suitable for diverse contexts, ranging from news and media to scientific and academic writing. It's worth noting that careful attention should be paid to ensuring the pronoun 'they' has a clear antecedent to maintain clarity. Alternatives such as "they're known as" or "they are referred to as" can provide subtle variations in tone and formality. With a neutral register, "they are called" remains a reliable choice for clear and effective communication. It appears most often in the New York Times, The Economist, The New Yorker, The Guardian and BBC.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
they're known as
This alternative uses a contraction and 'known as' instead of 'called', slightly altering the structure.
they are referred to as
This phrase is more formal, using 'referred to as' instead of the simpler 'called'.
they are labeled
Replaces "called" with "labeled", suitable when something is explicitly marked with a name.
they go by the name of
This alternative is less direct, using 'go by the name of' to indicate how something is named.
they are identified as
Substitutes "called" with "identified as", used when specifying recognition.
they're designated as
Using 'designated as' implies a formal or official naming.
they bear the title
Replaces "called" with "bear the title", giving a formal tone.
they have the designation
This alternative focuses on the result of the naming action rather than the action itself.
they are styled
Uses "styled" instead of "called", often used in fashion or design contexts.
people term them
Changes sentence structure by using "term" as a verb attributed to "people".
FAQs
How can I use "they are called" in a sentence?
Use "they are called" to introduce the name or designation for a group, concept, or item. For example, "The small, rounded hills are called drumlins".
What's an alternative to saying "they are called"?
You can use alternatives like "they're known as", "they are referred to as", or "they are labeled" depending on the context.
Is it correct to use "they're called" instead of "they are called"?
Yes, "they're called" is a contraction of "they are called" and is perfectly acceptable in most contexts, especially in informal writing. However, in more formal writing, it's best to use "they are called".
What is the difference between "they are called" and "these are called"?
"They are called" refers to a previously mentioned or understood group or set of items. "These are called" is used to introduce items that are currently being presented or demonstrated. For example, "The plants need sunlight; they are called heliophytes." vs. "These tools, called wrenches, are used to tighten bolts."
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested