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
commonly are
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "commonly are" is correct and usable in written English.
It can be used to describe something that is frequently or generally the case. Example: "These types of errors commonly are found in the early stages of development."
✓ Grammatically correct
Encyclopedias
News & Media
Science
Alternative expressions(8)
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
59 human-written examples
Are they being confined to urban areas, how commonly are they found in the wider countryside?
News & Media
Plants commonly are stunted and bunchy.
Encyclopedias
Ecological factors commonly are used to account for this gradation.
Encyclopedias
Lower slopes commonly are covered by montane forests.
Encyclopedias
The projects are usually based in developing countries and most commonly are designed to reduce future emissions.
News & Media
They most commonly are spoofs or reflections of issues that children are working on in their lives.
News & Media
Juvenile hormone or hormones from the neurosecretory cells commonly are needed for egg production.
Encyclopedias
The figures in the chart are annualized, as other economic data series like G.D.P. commonly are.
News & Media
In conventional curing, alkaline phosphates commonly are used to increase moisture retention.
Encyclopedias
Wings utilized for flight commonly are made of thin membranous cuticle.
Encyclopedias
Mr. Court estimated that sites were underserving about one-third of broadband users, who commonly are intent on simplicity and convenience.
News & Media
Expert writing Tips
Best practice
Use "commonly are" to describe widely accepted or frequently observed phenomena. It's suitable for stating general truths or common practices.
Common error
Avoid using "commonly are" when describing a specific situation or instance. This phrase implies a general trend, so it is not suitable for unique cases. Instead, use more specific language to depict a unique occurance.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "commonly are" functions as an auxiliary verb phrase. It's used to indicate that a subject frequently or generally possesses a certain quality or performs a specific action. As Ludwig AI confirms, it is usable in written English.
Frequent in
Science
37%
Encyclopedias
27%
News & Media
25%
Less common in
Formal & Business
5%
Wiki
3%
Reference
0%
Ludwig's WRAP-UP
The phrase "commonly are" is a versatile construction employed to denote frequency or typicality. As Ludwig AI indicates, it is grammatically sound and widely accepted. Usage analysis reveals its prevalence in scientific, encyclopedic, and news contexts, marking a neutral to formal register. When using this phrase, remember its emphasis on general trends and avoid using it in reference to a specific or isolated incident. Consider alternatives like "are typically" or "are usually" for subtle shifts in meaning. Therefore, "commonly are" offers a precise way to convey general truths or common practices, making it a staple in many forms of writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are typically
Focuses on typicality rather than frequency.
are usually
Emphasizes usual occurrence, implying a high probability.
are frequently
Highlights the high frequency of occurrence.
are generally
Implies widespread or overall occurrence.
are often
Suggests that something happens many times or in many cases.
are known to be
Indicates a recognized or established fact or characteristic.
tend to be
Suggests a leaning or inclination toward a certain state or behavior.
are inclined to be
Implies a natural tendency or predisposition.
are liable to be
Indicates a susceptibility or vulnerability.
are wont to be
Implies a habitual or customary behavior (more formal).
FAQs
How to use "commonly are" in a sentence?
Use "commonly are" to describe something that happens frequently or is generally true. For example, "These types of errors "commonly are" found in the early stages of development".
What can I say instead of "commonly are"?
You can use alternatives like "are typically", "are usually", or "are often" depending on the specific nuance you want to convey.
Which is correct, "commonly are" or "are common"?
Both "commonly are" and "are common" can be correct, but they have slightly different meanings. "Commonly are" emphasizes the frequency of an action or state, while "are common" emphasizes that something is widespread or prevalent.
What's the difference between "commonly are" and "more commonly"?
"Commonly are" describes a general frequency, whereas "more commonly" implies a comparison, suggesting that something happens more often than something else. For example, "apples "commonly are" red," versus "apples "more commonly" are red than yellow".
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested