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
frequently reoccur
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "frequently reoccur" is not correct in standard English usage.
The word "reoccur" implies that something happens again, but "occur" already conveys that meaning, making "reoccur" redundant when paired with "frequently." Example: "The issue seems to frequently occur during peak hours."
⚠ May contain grammatical issues
Science
News & Media
Wiki
Alternative expressions(2)
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
3 human-written examples
Mutations frequently reoccur in the human mitochondrial DNA (mtDNA).
Science
Furthermore, people with a history of HZ could be excluded to save costs, as HZ does not frequently reoccur.
Science
The value in collecting text narratives is validated by the previously unexplored magnitude of non-fatal drowning locations that frequently reoccur.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Its best chance of finding these will be to go to places where there is abundant evidence for long-duration, or frequently reoccurring, water activity.
News & Media
In this article, we use several well-established techniques in text mining to extract, filter, combine and analyse frequently reoccurring resource name pairs in articles' methods sections.
Science
Chromosomal regions with frequently reoccurring SV among the 264 plants were inferred to be intervals of natural genomic heterogeneity among the cv.
Science
Additionally, HCC is unique as it frequently reoccurs after treatment irrespective of the different etiological factors including HBV and C HCV, alcohol abuse, and nonalcoholic steatohepatitis [ 224– 224].
25 26 We report for the first time IRs for drowning locations which frequently reoccurred in Queensland, along with the severity of events and contributing factors for particular drowning environments.
Science
Rosacea is a chronic skin condition that can reoccur frequently.
Wiki
In Quantum Chemistry, many tasks are reoccurring frequently, e.g. geometry optimizations, benchmarking series etc.
Science
If the bleeding is severe, more than a few drops, lasts more than 30 minutes, and reoccurs frequently, you should see a doctor.
Wiki
Expert writing Tips
Best practice
Avoid using "frequently reoccur" as it is redundant. Use "frequently recur" or "reoccur frequently" instead.
Common error
Don't combine "frequently" with words that already imply repetition. Saying something "reoccurs frequently" is like saying it "re-repeats frequently". Instead, choose either "frequently occurs" or "reoccurs".
Source & Trust
81%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "frequently reoccur" functions as a verb phrase intended to describe the repeated occurrence of an event or phenomenon. However, it's considered grammatically incorrect due to the redundancy of "frequently" modifying "reoccur", as explained by Ludwig.
Frequent in
Science
67%
News & Media
22%
Wiki
11%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, while the phrase "frequently reoccur" aims to express repeated occurrences, it is considered grammatically incorrect due to redundancy. Ludwig flags this as non-standard English. More acceptable alternatives include "frequently recur" or "reoccur frequently". Although there are a few examples from science, news, and wiki contexts, it's best to avoid this phrase in formal writing. Remember to prioritize clear and concise language in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
frequently recur
Replaces "reoccur" with "recur", which has the same meaning and avoids redundancy.
often happen again
Uses simpler words to express the idea of something happening repeatedly.
regularly reappear
Emphasizes the repeated appearance of something.
commonly reemerge
Focuses on the re-emergence or return of something.
habitually repeat
Implies a pattern of repetition.
repeatedly take place
More formal way of saying something happens again and again.
chronically return
Suggests a long-lasting or persistent pattern of returning.
persistently arise
Highlights the continued emergence or occurrence of something.
incessantly reappear
Emphasizes the constant and seemingly endless reappearance.
customarily re-present
Implies that something is showed or offered again on a regular basis.
FAQs
Is "frequently reoccur" grammatically correct?
According to Ludwig AI, the phrase "frequently reoccur" is grammatically incorrect due to redundancy, as "reoccur" already implies repetition. It is better to use alternatives such as "frequently recur" or "reoccur frequently".
What is a better alternative to "frequently reoccur"?
More appropriate alternatives include "frequently recur", "often happen again", or "regularly reappear". These options avoid the redundancy of using "frequently" with "reoccur".
How can I use "recur" correctly in a sentence?
Use "recur" to indicate that something happens again. For example, "The symptoms tend to recur after a period of remission". You can also use "frequently" with "occur": "The issue seems to frequently occur during peak hours."
What's the difference between "occur frequently" and "reoccur"?
"Occur frequently" indicates that something happens often. "Reoccur" implies that something has happened before and is happening again. Though they have similar meaning when combined they are slightly redundant, thus according to Ludwig AI should be avoided.
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
2.8/5
Expert rating
Real-world application tested