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
five years in difference
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "five years in difference" is not correct in standard English usage.
It is unclear and does not convey a clear meaning; a more common expression would be preferable. Example: "There is a five-year difference in age between the two siblings."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(20)
spanning five years
5 years only
5 years independently
5 years moreover
5 years also
over a five-year period
5 years well
five years apart
5 years nevertheless
five-year interval
5 years separately
5 years apart
separated by five years
5 years together
five-year gap
5 years regardless
5 years later
spaced five years
a five-year gap
5 years similarly
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
There was a maximum difference of five years in all other cases (2314 (4.1%)).
Science
However, it will introduce an exemption clause for what the department described as "non-exploitative, consensual sexual relationships between peers where there is no more than two years in age difference between both parties".
News & Media
There's about five years of difference in average life expectancy between the least physically active state (Mississippi) and the most active (Colorado).
News & Media
Adding in fuel costs for five years, despite the difference in fuel efficiency, the Accent is by far the better deal.
News & Media
Since there is but five years difference in their ages, she feels El-Dora will listen.
News & Media
After two years of implementation, difference-in-differences (DID) analyses show that the two programs can improve determinants of maternal mortality with Generasi provides positive impact in some aspects of determinants, but PKH does not.
Science
Mr. Perez said he believed his achievements over his six years in office were the difference in the primary.
News & Media
Tidal forces break up an association in less than 10 million years through differences in the attraction by an outside body on members in different parts of the association.
Encyclopedias
At five years, the differences in health variables between the arms of the study, i.e., percentage of cardiovascular events (acute myocardial infarction, angina, stroke and the need for revascularization), the cardiovascular mortality and overall mortality, were determined.
Science
Altman indicated Thursday that the three years in between job changes made a difference to the family.
News & Media
From these figures over five years the absolute difference in risk between current users of oral therapy and transdermal therapy was 0.8 per 100 women for gallbladder disease and 0.7 per 100 women for cholecystectomy.
Science
Expert writing Tips
Best practice
Opt for more standard and clear phrasing such as "five-year difference" or "a difference of five years" to ensure grammatical correctness and avoid ambiguity.
Common error
Avoid using the construction "years in difference". Instead, rephrase to use a compound adjective (e.g., "five-year difference") or a prepositional phrase with correct word order (e.g., "a difference of five years").
Source & Trust
77%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "five years in difference" functions as a prepositional phrase attempting to describe a disparity in time. However, according to Ludwig, this phraseology is not standard English, making it grammatically questionable.
Frequent in
News & Media
33%
Science
33%
Academia
11%
Less common in
Encyclopedias
8%
Wiki
2%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "five years in difference" is not considered standard English. While Ludwig provides examples where similar phrasing appears, it is generally advisable to use clearer and grammatically correct alternatives such as "five-year difference" or "a difference of five years". These options ensure better communication and avoid potential confusion. Opting for these alternatives will improve clarity in both formal and informal contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
five-year difference
Replaces the prepositional phrase with a compound adjective, indicating a difference spanning five years.
difference of five years
Inverts the structure to emphasize the difference, followed by the duration.
a gap of five years
Uses "gap" to suggest a space or interval of five years.
five years apart
Indicates a separation or interval of five years between two points or events.
separated by five years
Similar to "five years apart", highlighting the separation over a period of time.
five years' disparity
Uses "disparity" to suggest inequality or difference of five years.
spanning five years
Highlights the duration over which a difference or change occurs.
over a five-year period
Focuses on the time frame during which the difference is observed.
a five-year timeframe
Similar to "over a five-year period", highlighting the duration.
within five years
Indicates that the difference occurs within a specified five-year duration.
FAQs
How can I correctly express a time difference using "year"?
Prefer phrases like "a "five-year difference"" or "a difference of five years" for clarity and grammatical accuracy.
What are some alternatives to describe a difference in age or time?
Consider using phrases such as "five years apart", "a gap of five years", or "separated by five years".
Is it grammatically correct to say "X years in difference"?
No, the construction "X years in difference" is not grammatically correct. Use more standard phrasing like "a difference of X years".
When should I use "five-year difference" versus "difference of five years"?
"Five-year difference" works well as a compound adjective before a noun (e.g., "a five-year difference in age"), while "difference of five years" is suitable when emphasizing the disparity itself.
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
77%
Authority and reliability
2.8/5
Expert rating
Real-world application tested