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
less frequency than
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "less frequency than" is not correct in standard English; it should be "less frequent than." You can use the corrected phrase when comparing the frequency of two events or actions.
Example: "She visits her family less frequently than her brother does."
⚠ May contain grammatical issues
Science
News & Media
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
15 human-written examples
Schools offer swimming classes with less frequency than regular physical education courses.
News & Media
On Monday, part of the war seemed to have tipped in Israel's favor with the I.D.F.'s Twitter posts far outnumbering those of the armed wing of Hamas, which seemed to have posted with far less frequency than earlier.
News & Media
In the meantime, abuse is likely to continue, albeit with less frequency than in years gone by, thanks to fingerprint checks of those working in the industry and organisations like Biz Parents.
News & Media
At the University of Tennessee, where Harris received repeated calls from Andy Miller, Malcolm McInnis, the school's associate athletic director, said officials hoped to talk to three other athletes whose names appeared in Miller's diary, although with less frequency than Harris's.
News & Media
Family relationships were reported with less frequency than 'friends' or associates' (Severance 2005).
Science
Less invasive surgical approaches have been advocated and performed for many years, although with much less frequency than laparotomy.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
Dalteparin, a low molecular weight heparin, is an anticoagulant that shows less frequency of bleeding than regular heparin.
Science
The solicited symptoms noted in this trial were generally mild and even less in frequency than previously reported (Table 4) [4].
Science
Interestingly, monocots show less TR frequency than the other three groups, but the difference is not statistically significant.
Science
These results suggest that coding regions are more conserved (less SNP frequency) than non-coding regions, most probably due to purifying selection.
Science
Conlon has handled the ball, freeing Diana Taurasi to roam, and has hit 3-pointers notable less for their frequency than for their timeliness.
News & Media
Expert writing Tips
Best practice
When comparing the occurrence of two events, use the phrase "less frequent than" to ensure grammatical accuracy and clarity. For example, "Complications are less frequent than initially expected."
Common error
Avoid using "less frequency than" as it is grammatically incorrect. The correct and widely accepted form is "less frequent than". This ensures clarity and avoids potential misinterpretations.
Source & Trust
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "less frequency than" functions as a comparative, aiming to express a lower rate of occurrence. Ludwig AI flags it as not correct in standard English, suggesting the use of "less frequent than" instead.
Frequent in
Science
53%
News & Media
35%
Wiki
6%
Less common in
Formal & Business
6%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, while the phrase "less frequency than" appears in various sources, it's grammatically incorrect. As noted by Ludwig AI, the correct phrasing is "less frequent than." When comparing the occurrence rate of two things, it's best to use "less frequent than" to ensure accuracy and avoid misinterpretations. Alternatives include "lower rate than" or "not as frequent as". Remember to prioritize grammatical correctness, especially in formal or scientific writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
lower rate than
Replaces "frequency" with "rate", focusing on the numerical comparison of occurrence.
smaller frequency than
Substitutes "less" with "smaller", emphasizing the size or magnitude of the frequency.
reduced frequency compared to
Uses "reduced" instead of "less" and "compared to" for a more formal tone.
not as frequent as
Restructures the phrase to use "not as frequent as", providing a common alternative.
less common than
Replaces "frequency" with "common", focusing on the commonality of the occurrence.
decreased frequency from
Uses "decreased" implying a change over time rather than a direct comparison.
rarer than
Emphasizes the rarity of the occurrence compared to something else.
infrequent compared to
Replaces "less" with "infrequent" which means 'not occurring often'.
less often than
Employs "less often" to describe the occurrence of an event or action.
less frequently than
Uses "less frequently" for a more grammatically correct and formal comparative.
FAQs
What is the correct way to say "less frequency than"?
The grammatically correct way to express a lower rate of occurrence is to use "less frequent than".
Is it acceptable to use "less frequency than" in formal writing?
No, it is not acceptable. In formal writing, always use "less frequent than" to maintain grammatical correctness and professionalism.
What are some alternatives to "less frequency than"?
You can use phrases like "not as frequent as", "lower rate than", or "smaller frequency than" to express a similar meaning.
How does "less frequency than" differ from "less frequent than"?
"Less frequency than" is grammatically incorrect, while "less frequent than" is the correct and widely accepted way to express that something occurs less often.
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
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested