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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
key causes
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "key causes" is correct and usable in written English.
You can use it when discussing the main factors or reasons behind a particular event or situation. Example: "The report identified several key causes of the decline in sales over the past year."
✓ Grammatically correct
News & Media
Science
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
It cited industrialisation, urbanisation and agricultural modernisation as key causes of environmental problems.
News & Media
To Thaler, the key causes of the financial crisis were high leverage and human frailty.
News & Media
Smoking too, one of the key causes of heart disease, has fallen.
News & Media
Positive peace requires a movement away from marginalisation and economic deprivation, two key causes of Liberia's uncivil wars.
News & Media
Also on the safety front, language buried in the Senate version of the transportation bill would badly hamper the government's response to two key causes of highway crashes.
News & Media
From the opening pages, the evils of capitalism and neoliberalism are presented as one of they key causes of the Arab spring.
News & Media
Merritt says one of the key causes was budget cuts, adding that whether executives intended to cut safety budgets was not relevant.
News & Media
When the seething discontent in Britain's inner cities exploded into widespread rioting in the early 1980s, discrimination in housing was identified as one of the key causes.
News & Media
The Tory leader's attempt to hitch his political wagon to some of the progressive movement's key causes is, of course, the mirror image of Labour's "prawn cocktail offensive", the wooing of the City and business community, in the early 90s.
News & Media
Diesel powered fridges on refrigerated vehicles also emit "grossly disproportionate" amounts of toxic nitrogen oxides and particulate matter, two key causes of air pollution that contribute to millions of premature deaths worldwide [pdf].
News & Media
His technique has evoked howls of protest from physiologists who point out that it ignores decades of solid experimental evidence implicating age-related changes within the lens itself as key causes of presbyopia.
News & Media
Expert writing Tips
Best practice
When using "key causes", ensure that the causes you identify are indeed the most influential factors and not merely contributing elements. Be specific and provide evidence to support your claims.
Common error
Avoid listing contributing factors as "key causes" if they are not the most significant drivers. Focus on the primary factors that have the most substantial impact on the outcome.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "key causes" functions as a noun phrase identifying the most important reasons or factors contributing to a specific outcome or situation. Ludwig confirms that this phrase is used correctly across various contexts.
Frequent in
News & Media
42%
Science
40%
Formal & Business
9%
Less common in
Wiki
7%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "key causes" is a grammatically sound and frequently used expression to identify the most significant reasons or factors behind a particular situation. Ludwig confirms its broad applicability and correctness. It is commonly found in news, scientific, and formal business contexts. When using this phrase, ensure that the identified causes are indeed the most influential and provide evidence to support your claims. Alternatives include "main reasons" and "principal factors", offering similar meanings with slight variations in formality and emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
chief causes
Synonymous with "key causes", but uses "chief" for emphasis.
main reasons
Substitutes "key" with "main", providing a simpler and more direct alternative.
central reasons
Highlights the reasons at the core or center of the issue.
leading factors
Similar to "main reasons", but slightly more formal and emphasizes influence.
principal factors
Uses "principal" instead of "key", offering a more formal and emphatic tone.
significant reasons
Emphasizes the importance and weight of the reasons.
critical factors
Stresses the importance and criticality of the factors involved.
primary drivers
Replaces "causes" with "drivers", emphasizing the forces that propel something forward.
major determinants
Replaces "causes" with "determinants", highlighting the elements that decisively affect an outcome.
root causes
Focuses on the fundamental, underlying reasons for a situation.
FAQs
How can I use "key causes" in a sentence?
You can use "key causes" to identify the most important reasons or factors behind an event or situation. For example, "The report identified several "key causes" of the economic downturn".
What are some alternatives to saying "key causes"?
You can use alternatives like "main reasons", "principal factors", or "primary drivers" depending on the context.
What's the difference between "key causes" and "contributing factors"?
"Key causes" refers to the most significant factors, while "contributing factors" are less influential but still play a role. "Key causes" have a more direct and substantial impact.
Is it appropriate to use "key causes" in formal writing?
Yes, "key causes" is appropriate for formal writing. It is a clear and direct way to identify the most important factors in academic, business, and news contexts.
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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
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested