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
not a common one
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not a common one" is correct and usable in written English.
It can be used to describe something that is rare or unusual in a particular context. Example: "This type of flower is not a common one in our region, making it quite special."
✓ Grammatically correct
News & Media
Science
Wiki
Encyclopedias
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
6 human-written examples
Mr. Loveys's mistake is, of course, not a common one.
News & Media
This arrangement is not a common one, though present in certain lizards, such as the chameleons, and also in some degree in birds.
Encyclopedias
Our approach is probably not a common one.
News & Media
The behavior is not a common one, such as picking at a scab or nail biting.
Try searching each database using only last name (if it is not a common one like Smith or Johnson).
Wiki
The name "Bede" was not a common one at the time.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
While King's experience isn't a common one, researchers are exploring the link between asthma and sex hormones.
News & Media
Stephen for the best of VICE, delivered to your inbox daily.
News & Media
And not only a common one but a familiar one, too: a Russia itching to expand its power and influence.
News & Media
And with the big service providers like Netflix, Amazon, Hulu and HBO investing in their own quality original content, while also competing on high-profile exclusive deals, the problem of finding "nothing good" to watch on a paid streaming service won't likely be a common one.
News & Media
If the integrity of the franchise is an entitlement, it's a common one, and not a racial one.
News & Media
Expert writing Tips
Best practice
When using the phrase "not a common one", ensure that the context clearly establishes what is considered 'common' for comparison. This provides clarity and strengthens the statement.
Common error
Avoid using multiple negative constructions with "not a common one". For example, instead of saying 'It's not not a common one', rephrase it to 'It's a rare case' for clearer communication.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not a common one" primarily functions as an adjectival phrase that modifies a noun, indicating that the noun is rare or unusual. Ludwig AI examples show this phrase describing various subjects, from medical conditions to personal experiences.
Frequent in
News & Media
40%
Science
30%
Wiki
10%
Less common in
Encyclopedias
10%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "not a common one" is a grammatically sound and versatile expression used to denote rarity or infrequency. While Ludwig AI validates its correctness, it's important to provide clear context when employing it to ensure comprehension. Alternatives such as "uncommon" or "rare" might offer more concise options, depending on the desired emphasis. As evidenced by its presence in both news media and scientific publications, "not a common one" holds a neutral register, making it suitable for various writing styles and purposes.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
not a frequent occurrence
This alternative emphasizes the infrequency of the event or situation.
not a typical example
This highlights that the subject is not representative of a standard type.
not a usual case
This suggests that the situation deviates from what is normally expected.
not an ordinary instance
This emphasizes the exceptional or uncommon nature of the situation.
not a general trend
This implies that the observed pattern is not widely prevalent.
not a widespread phenomenon
This indicates the limited scope or reach of the event or situation.
not a standard practice
This highlights that the action is not the established or accepted way of doing something.
not a prevalent feature
This indicates that the characteristic is not commonly found or observed.
not a routine matter
This suggests that the situation is out of the ordinary and requires special attention.
not a familiar sight
This emphasizes that the subject is rarely seen or encountered.
FAQs
What does "not a common one" mean?
The phrase "not a common one" means something is unusual, rare, or not frequently encountered. It suggests that the subject being described is an exception rather than the norm.
How can I use "not a common one" in a sentence?
You can use "not a common one" to describe situations, characteristics, or occurrences that are infrequent. For example: "This type of reaction is "not a common one" among patients."
What are some alternatives to "not a common one"?
Alternatives include "rare", "unusual", "infrequent", or "atypical". The best choice depends on the specific context and the nuance you want to convey.
Is it better to say "not a common one" or "uncommon"?
Both phrases are acceptable, but "uncommon" is more concise. "Not a common one" can add emphasis in certain contexts, but using "uncommon" often results in a more direct and efficient sentence structure. For example "not a common one" highlights the lack of commonness and emphasizes that it is a rare case.
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