Recurring vs. reoccurring is a small but surprisingly common English-language distinction. Both words describe something that happens again, so it’s easy to assume they are interchangeable in every situation. In everyday writing, they often overlap, and major dictionaries recognize both forms.
The more useful distinction is pattern and repetition. Recurring commonly describes something that happens repeatedly, periodically, or as an established pattern. Reoccurring generally emphasizes that something occurs again, without necessarily suggesting a regular or continuing pattern.
That difference matters in professional writing. Saying that a company has a recurring expense normally suggests an expense that happens repeatedly, such as a monthly subscription. Saying an unusual problem is reoccurring can instead emphasize that the problem has appeared again after previously happening.
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Why This Confusion Keeps Coming Back
The confusion exists because recur and reoccur are extremely close in meaning.
The verb recur means “to occur or appear again.” Merriam-Webster gives examples such as a disease that recurs and a problem that keeps recurring. The dictionary also traces recur to Latin recurrere, meaning roughly “to run back” or “return.”
Reoccur has an even more transparent construction: re- + occur. The prefix re- commonly carries the idea of doing or happening again.
So English gives us two verbs:
- recur → recurring
- reoccur → reoccurring
The problem is that their meanings overlap considerably.
Dictionary.com explains the practical distinction this way: recurring usually suggests something happening regularly or repeatedly, while reoccurring can simply mean that something happens again, often without implying a regular pattern. (Dictionary.com)
However, this isn’t an absolute grammatical law. In some contexts, the words are effectively interchangeable.
Quick Definition Snapshot
| Word | Basic meaning | Typical implication | Example |
| Recurring | Happening repeatedly | A repeated or continuing pattern | “We have a recurring monthly payment.” |
| Reoccurring | Happening again | Something happens again, without necessarily forming a pattern | “The problem is reoccurring after several months.” |
| Recur | To happen or appear again | Return or repetition | “The issue may recur.” |
| Reoccur | To occur again | Another occurrence | “The error may reoccur.” |
The easiest practical rule is:
Use “recurring” when repetition or a pattern is the important idea. Use “reoccurring” when you simply want to emphasize that something has happened again.
That rule won’t cover every possible sentence, but it works extremely well in ordinary professional writing.
What Does “Recurring” Actually Mean?
Recurring is the more established and commonly preferred choice when you are describing something that happens repeatedly.
Merriam-Webster defines recurring as “occurring repeatedly” or happening or appearing multiple times. Its recorded first known use dates to around 1512. (Merriam-Webster)
The word comes from the verb recur, which means to occur or appear again. Merriam-Webster also notes that recur can describe something that comes back to mind or returns in thought or discussion. (Merriam-Webster)
This makes recurring especially natural when repetition is expected.
Common Real-World Examples of “Recurring”
You’ll see recurring in many areas of everyday and professional English:
- recurring payment
- recurring expense
- recurring meeting
- recurring problem
- recurring dream
- recurring theme
- recurring revenue
- recurring appointment
- recurring symptoms
- recurring event
- recurring customer
- recurring task
- recurring deadline
- recurring maintenance
Consider these examples:
I have a recurring meeting every Monday morning.
The phrase tells us that the meeting follows a repeated schedule.
The company has several recurring expenses.
This suggests expenses that happen repeatedly as part of normal operations.
She experiences recurring headaches.
The emphasis is on the problem returning repeatedly.
The same theme is recurring throughout the novel.
Here, the theme appears repeatedly throughout the work.
Merriam-Webster specifically gives examples involving recurring dreams, recurring themes, and recurring health problems. (Merriam-Webster)
When “Recurring” Sounds Wrong
Although recurring is versatile, it isn’t always the clearest option.
Suppose something happened once several years ago and then unexpectedly happened again yesterday. You might want to emphasize the second occurrence rather than suggest an established pattern.
For example:
The same technical error reoccurred after five years.
This wording emphasizes the fact that the error happened again.
Compare:
The same technical error is recurring.
This sounds more like an ongoing or repeated problem.
The difference is subtle, but the second sentence creates a stronger sense of an ongoing pattern.
What Does “Reoccurring” Actually Mean?
Reoccurring is a legitimate English word. It isn’t simply a spelling mistake for recurring.
It is the present participle of reoccur, meaning to occur again. Merriam-Webster’s thesaurus explicitly lists reoccurring and gives the example of taking steps to prevent a problem from reoccurring. (Merriam-Webster)
Dictionary.com likewise recognizes reoccurring as a legitimate form and explains that it commonly indicates something happening again without necessarily communicating a regular pattern. (Dictionary.com)
Common Real-World Examples of “Reoccurring”
Consider:
The flooding reoccurred after several years of unusually heavy rainfall.
The emphasis is on the event happening again.
We need to identify why this problem keeps reoccurring.
Here, the speaker is concerned about repeated appearances of the same problem.
The error reoccurred after the software update.
This doesn’t necessarily mean the error occurs every week. It simply happened again.
The conflict has reoccurred despite previous attempts to resolve it.
The focus is on the return of the conflict.
Why “Reoccurring” Is Used Less Often
There is no rule saying reoccurring is incorrect. But recurring has a long-established history and is extremely common in phrases describing repeated patterns.
Merriam-Webster’s entry for recurring dates its first known use to about 1512, reflecting its long history in English. (Merriam-Webster)
The distinction is also reinforced by common professional collocations.
For example:
- recurring revenue
- recurring costs
- recurring payment
- recurring event
- recurring dream
These sound natural because the repetition itself is central to the meaning.
Recurring vs. Reoccurring: Side-by-Side Comparison
The easiest way to understand recurring vs. reoccurring is to compare the emphasis each word normally creates.
| Situation | Better choice | Why |
| Monthly subscription | Recurring | It follows a regular pattern |
| Weekly meeting | Recurring | It happens repeatedly on a schedule |
| Same dream every week | Recurring | Repetition is central |
| Same problem appearing again | Recurring / reoccurring | Both can work |
| Problem returned after years | Reoccurring | Emphasizes another occurrence |
| Annual event | Recurring | It repeats predictably |
| Unexpected second occurrence | Reoccurring | Focuses on happening again |
| Repeated medical condition | Recurring | Established medical usage |
| Repeated literary theme | Recurring | The theme appears repeatedly |
| A problem that happened once and happened again | Reoccurring | Another occurrence is the focus |
A Simple Test
Ask yourself:
“Am I describing a pattern?”
If yes, recurring is usually the better choice.
If your meaning is simply:
“It happened again.”
then reoccurring may be more precise.
Which Word Should You Use in Everyday Writing?
If you’re unsure, recurring is generally the safer choice when you mean repeated, periodic, or continuing.
For example:
We have a recurring staff meeting.
The customer reported recurring billing problems.
This is a recurring issue.
The organization receives recurring donations.
These sentences sound natural because the repetition is important.
But don’t assume that reoccurring is automatically wrong.
For example:
The problem reoccurred after the equipment was repaired.
This is perfectly understandable and grammatically valid.
The important point is not to treat recurring as correct and reoccurring as incorrect. The distinction is primarily semantic and stylistic rather than a simple right-versus-wrong spelling issue.
Dictionary.com explicitly acknowledges that the two forms are sometimes used interchangeably, even while explaining the typical difference in emphasis. (Dictionary.com)
Grammar, Style Guides, and Professional Usage
Both words function as forms derived from verbs.
Recurring
The underlying verb is recur:
recur → recurred → recurring
Example:
The problem recurred last month.
The problem is recurring.
Reoccurring
The underlying verb is reoccur:
reoccur → reoccurred → reoccurring
Example:
The error reoccurred yesterday.
The error is reoccurring.
The important spelling detail is that recur takes the double-r form in recurring:
recur → recurring
Likewise:
reoccur → reoccurring
The extra o in reoccurring comes from the underlying word occur.
Why Both Are Grammatically Possible
English often contains pairs where one form is more common even though both are valid.
That is what happens here.
Merriam-Webster’s thesaurus places recurring and reoccurring in closely related territory, describing reoccurring as the present participle of reoccur and listing recurring among its related words. (Merriam-Webster)
This is why an editor should consider meaning and context, rather than automatically deleting reoccurring.
Common Mistakes People Make
Mistake: Assuming “Reoccurring” Is Always Wrong
This is probably the biggest misconception.
Reoccurring is a real word.
It comes from reoccur, which means to occur again. Merriam-Webster recognizes the form directly. (Merriam-Webster)
So this sentence isn’t automatically incorrect:
The problem is reoccurring.
It may simply be less natural than:
The problem is recurring.
depending on what the writer wants to emphasize.
Mistake: Using “Recurring” for a One-Time Return
Imagine an unusual problem appeared in 2018 and then returned in 2026.
You could say:
The problem reoccurred in 2026.
This clearly communicates another occurrence.
If you write:
The problem is recurring.
the reader may reasonably infer that the problem has become a repeated pattern.
Mistake: Thinking the Words Are Perfect Synonyms
They overlap, but their normal emphasis differs.
Recurring often answers:
“Does this keep happening?”
Reoccurring often answers:
“Did this happen again?”
That distinction is simple enough to remember and useful enough to improve your writing.
Mistake: Ignoring Collocations
Some combinations are so established that one form sounds much more natural.
For example:
recurring revenue
is standard business language.
reoccurring revenue
would sound unusual in most business contexts.
Likewise:
recurring payment
is much more natural than reoccurring payment when describing an automatic payment schedule.
Memory Trick: Never Mix Them Up Again
Here’s an easy memory system.
Think “Recurring = Regular”
Both words begin with rec.
Think:
Recurring = repeated pattern
If something appears again and again, especially at regular intervals, choose recurring.
Examples:
- recurring bill
- recurring meeting
- recurring dream
- recurring problem
Think “Reoccurring = Occurring Again”
Look at the middle of the word:
re-OCCUR-ring
The word visibly contains occur.
Think:
Reoccurring = occurring again
This makes it useful when the main idea is another occurrence rather than a predictable pattern.
The Three-Question Test
Before choosing the word, ask:
- Has it happened before?
- Is it happening again?
- Is there a repeated pattern?
If the answer to number three is strongly yes, recurring is usually your best choice.
If you’re mainly emphasizing another occurrence, reoccurring can work.
FAQs
What does “recurring” mean?
Recurring means happening or appearing repeatedly. It often suggests that something occurs more than once or follows a continuing or periodic pattern.
Examples include recurring expenses, recurring meetings, recurring dreams, and recurring problems. Merriam-Webster defines recurring as “occurring repeatedly.”
What does “reoccurring” mean?
Reoccurring means occurring again. It is the present participle of reoccur and can describe an event, problem, or situation that happens another time.
Are “recurring” and “reoccurring” the same?
They are closely related, and sometimes they can be used interchangeably.
However, recurring more commonly suggests repetition or a pattern, while reoccurring can simply emphasize that something has happened again.
Can you give an example of a recurring event?
Yes.
Our company holds a recurring meeting every Monday.
Because the meeting happens repeatedly on a predictable schedule, recurring is the natural choice.
Can you give an example of a reoccurring event?
Yes.
The software error reoccurred after the latest update.
Here, reoccurred emphasizes that the error happened again.
How can understanding the difference improve communication?
It helps you communicate whether you’re describing a pattern or simply another occurrence.
For example, “recurring billing issue” suggests an ongoing pattern of billing problems, while “the billing error reoccurred” focuses on the error happening again.
Is “recurring” commonly used?
Yes. Recurring is extremely common in everyday, medical, literary, financial, and business English. Common expressions include recurring revenue, recurring payments, recurring costs, and recurring symptoms.
Can personal experiences be recurring or reoccurring?
Yes.
You might say:
I have a recurring dream about being late.
If a particular experience simply happened again, you could describe it as reoccurring.
The choice depends on whether you’re emphasizing a continuing pattern or another occurrence.
Do both words appear in professional settings?
Yes.
Recurring is especially common in business, finance, healthcare, and administration. Reoccurring can also appear in professional writing when the writer wants to emphasize that an event or problem occurred again.
How can I remember the difference?
Use this shortcut:
Recurring = repeated pattern.
Reoccurring = occurring again.
If you can replace the word with “regularly repeated,” recurring is probably the better choice. If you mean “happened again,” reoccurring may fit better.
Conclusion
The difference between recurring vs. reoccurring is subtle, but it becomes much easier once you stop treating the pair as a simple spelling question.
Recurring usually suggests repetition, regularity, or an established pattern. It is the natural choice for recurring payments, recurring meetings, recurring dreams, recurring expenses, and recurring problems. Merriam-Webster defines it as something occurring repeatedly and traces its use back to around 1512. Reoccurring means that something occurs again. It can emphasize a return or another occurrence without necessarily suggesting a regular pattern. It is a legitimate word, not a grammatical error.
The practical rule is simple:
Choose “recurring” for repeated patterns; choose “reoccurring” when the emphasis is simply on something occurring again.
And when the distinction doesn’t matter, remember that the two words overlap. Good writing isn’t about forcing an artificial difference where English doesn’t require one. It’s about choosing the word that communicates your intended meaning most clearly.
Hi, I’m Joseph Henery — the voice behind Grammar Orbits. I help students and writers master grammar with easy explanations, practical tips, and a love for clear communication.
