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
differ regarding to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "differ regarding to" is not correct in English.
The correct expression is "differ regarding" or "differ with respect to." You can use it when discussing differences in opinions, views, or characteristics between two or more subjects. Example: "The two researchers differ regarding the effectiveness of the new treatment."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(4)
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
2 human-written examples
These studies differ regarding to who refer most psychiatric acute admissions.
Science
Muscle bundles used for the IVCT and CPA-IVCT did not differ regarding to length, weight, maximum twitch height, predrug resting tension and predrug twitch height (Table 1).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
We will now analyse whether the income groups differ regarding access to cars or possession of public transport season tickets.
Hence, it seems plausible that GPs may differ regarding their inclination to diagnose a depression.
It seems plausible that GPs differ regarding their inclination to diagnose a depression.
Science
Imaging techniques differ regarding their ability to investigate white matter alterations.
Science
The latter system may be crude and opinions are likely to differ regarding the key criteria.
Science
We'll just have to differ regards Luiz.
News & Media
Ibn Kammuna describes in one place how greatly people differ in this respect: "People differ with regard to hads.
Science
People who differ with regard to these factors will make different decisions regarding home heating.
Science
At inclusion, both treatment groups did not differ with regard to EPMS (measured with SAS).
Science & Research
Expert writing Tips
Best practice
Always use the correct form, "differ regarding" or "differ with regard to". This ensures clarity and avoids grammatical errors.
Common error
The most frequent error is adding an unnecessary "to" after "regarding" when using "differ". Proofread carefully to ensure you haven't inadvertently created this grammatically incorrect phrase.
Source & Trust
81%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "differ regarding to" functions as a verbal phrase attempting to express a distinction or variance between two or more subjects. However, the presence of 'to' renders the phrase grammatically incorrect, as noted by Ludwig.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "differ regarding to" is considered grammatically incorrect. The proper forms are "differ regarding" or "differ with regard to". Ludwig AI highlights that the incorrect usage stems from an unnecessary addition of "to" after "regarding". Although the phrase's intent is clear—to indicate a distinction—its incorrect grammar significantly impacts its credibility. When writing, prioritize using the correct forms to maintain clarity and professionalism. While a few sources may use this phrase, its infrequent and grammatically unsound nature makes it best to avoid it in favor of grammatically correct alternatives.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
differ regarding
Omits the unnecessary "to", correcting the grammar.
differ with regard to
Replaces "regarding" with the more formal "with regard to", improving grammatical correctness.
differ in relation to
Uses "in relation to" instead of "regarding", offering a slightly different but similar meaning.
vary with respect to
Employs "vary" as a synonym for "differ" and "with respect to" for "regarding", changing the vocabulary while maintaining the core concept.
differ in terms of
Uses the common phrase "in terms of" to specify the aspects of difference.
contrast concerning
Offers "contrast" as a substitute for "differ", focusing on the opposition or dissimilarity regarding a specific point.
show differences in
Emphasizes the existence of differences rather than the act of differing.
exhibit variation in
Highlights the range or degree of difference, using "exhibit" to denote demonstration.
are dissimilar regarding
Replaces "differ" with "are dissimilar", focusing on the state of being unlike.
diverge in
Implies a branching out or deviation in a specific area.
FAQs
Is "differ regarding to" grammatically correct?
No, "differ regarding to" is grammatically incorrect. The correct forms are "differ regarding" or "differ with regard to".
What is the difference between "differ regarding" and "differ with regard to"?
"Differ regarding" is a more concise and slightly less formal way to say "differ with regard to". Both are grammatically correct, but the latter is often preferred in formal writing.
What are some alternatives to "differ regarding"?
Some alternatives to "differ regarding" include "vary in terms of", "contrast concerning", or "diverge in".
How can I use "differ with regard to" in a sentence?
You can use "differ with regard to" to indicate that two or more things are not the same in a particular aspect. For example, "The two studies differ with regard to their methodology".
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
1.8/5
Expert rating
Real-world application tested