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
occurs periodically
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "occurs periodically" is correct and usable in written English.
It can be used to describe events or phenomena that happen at regular intervals over time. Example: "The maintenance checks on the equipment occurs periodically to ensure optimal performance."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(5)
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
11 human-written examples
In the oscillating reacting flow, transition between a multibrachial autoignition front and a tribrachial flame occurs periodically.
Science
The fluorine species intercalated between the graphene layers can easily move between both phases and the phase transition occurs periodically.
Science
At low TSRs (λTSR < 4) and relatively low Reynolds number (Re < 105), dynamic stall occurs periodically during the rotation of turbine blades.
Science
In contrast, checkpoints between active and standby replicas occurs periodically, in intervals of milliseconds, providing better tradeoff between resource usage overhead and updates.
Science
This mechanism is important for the fed-batch culture compensated by DO-stat or pH-stat, where carbon limitation often occurs periodically, and the uptake of carbon source can be made quickly and efficiently without delay.
Tropomyosin-actin interaction occurs periodically along the length of tropomyosin.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
Cyclically changing apnea periods occurred periodically and increased the inter-animal variability in phosgene-exposed rats, but not in normally breathing control rats (Fig. 2).
In this paper, it is of key for us to find that the lengths of positive and negative semi-cycles of nontrivial solutions of (1.1) occur periodically with prime period 15 with the rule,,,,,,, and in a period.
Mainly, the lengths of positive and negative semicycles of its nontrivial solutions are found to occur periodically with prime period 15.
Assuming that, as neutralizing antibodies, IgG antibodies persist several years after infection, this result (and the WNV history in the studied area since 1962) suggest that the Camargue is an epidemic area, with outbreaks that occur periodically and are separated by long silent periods.
Science
Outbreaks of encephalitis occur periodically.
Encyclopedias
Expert writing Tips
Best practice
When describing cyclical events, use "occurs periodically" to emphasize the recurring nature and predictable timing.
Common error
Avoid using "occurs periodically" to describe events that happen constantly or continuously. "Periodically" implies discrete intervals.
Source & Trust
82%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "occurs periodically" functions as a verb phrase, specifically indicating the manner in which an event or phenomenon takes place. Ludwig confirms its grammatical correctness and wide applicability across various contexts.
Frequent in
Science
52%
News & Media
26%
Encyclopedias
14%
Less common in
Wiki
4%
Formal & Business
2%
Social Media
2%
Ludwig's WRAP-UP
In summary, the phrase "occurs periodically" is a grammatically sound and commonly used expression to describe events that recur at regular intervals. Ludwig AI's analysis confirms its wide acceptance across various domains, particularly in science, news, and encyclopedic contexts. When using this phrase, remember that it emphasizes the recurring nature and predictable timing of an event. While "happens frequently" might describe how often something takes place, only "occurs periodically" specifies the recurrence at regular intervals.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
happens regularly
Emphasizes the consistent timing and predictable nature of the event.
returns periodically
Indicates the event comes back after a certain duration.
takes place intermittently
Highlights the sporadic and non-continuous nature of the event.
recurs at intervals
Focuses on the repeated nature of the event with specific gaps in time.
repeats cyclically
Emphasizes a pattern or cycle in the repetition of the event.
manifests recurrently
A more formal way of expressing repeated appearances or occurrences.
arises from time to time
Indicates an irregular or unpredictable occurrence.
shows up periodically
An informal way of expressing that something appears or happens now and then.
is seen cyclically
Focuses on the observation of a cyclic phenomenon.
resurfaces at intervals
Suggests something that was previously absent returns after a period.
FAQs
How can I use "occurs periodically" in a sentence?
You can use "occurs periodically" to describe any event that happens at regular intervals, such as "Maintenance checks "occur periodically" to ensure optimal performance" or "Eruptions "occur periodically" on this volcano".
What are some alternatives to "occurs periodically"?
Alternatives include "happens regularly", "takes place intermittently", or "repeats cyclically", depending on the specific nuance you want to convey.
Is it correct to say "occurs periodically" or should I use another phrase?
"Occurs periodically" is grammatically correct and widely accepted. Its suitability depends on the context, but it's a standard and understandable way to describe recurring events.
What's the difference between "occurs periodically" and "occurs frequently"?
"Occurs periodically" implies a regular interval or cycle, whereas "occurs frequently" simply means something happens often, without necessarily being regular. An event that "occurs frequently" might not "occur periodically".
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
82%
Authority and reliability
4.6/5
Expert rating
Real-world application tested