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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
rare occurrences
Grammar usage guide and real-world examplesUSAGE SUMMARY
"rare occurrences" is correct and usable in written English.
You can use it to describe something uncommon, or something that doesn't happen regularly. For example, "The full moon is a rare occurrence, and usually happens only a few times a year."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
isolated cases
exceptional situations
anomalous events
unusual circumstances
isolated incidents
rare occurrence
sporadic events
atypical situations
unprecedented situations
unprecentended
this happens very rarely
limited occasions
infrequent occurrences
few instances
sporadic moments
occasional instances
scant presence
rare instances
certain instances
a small number of cases
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
60 human-written examples
It is one of those rare occurrences in Copenhagen where seemingly everyone is happy.
News & Media
There was energy in the building and a sold-out crowd, two rare occurrences at Fordham.
News & Media
Worker and student demonstrations in Bologna — not rare occurrences — did little to disrupt the rally.
News & Media
Since their inception, the guidelines have stated that sentences should be uniform and that departures should be "rare occurrences".
News & Media
Extreme 5-sigma events will become somewhat more commonplace near the equator, but will remain fairly rare occurrences globally.
News & Media
It is also circumscribed to rare occurrences in remote locations, and Brazilian exports certainly do not rely on it.
News & Media
It was one of those rare occurrences – a film about another world that felt as well as looked otherworldly.
News & Media
These rare occurrences of multiple skeletal remains have repeatedly been reinforced by dinosaur footprints as evidence of herding.
Encyclopedias
Two other rare occurrences in cratonic (stable) areas of the Earth's crust are the kimberlites and carbonatites.
Encyclopedias
Since then, gun battles — and more frequently grenade attacks and random potshots — have not been rare occurrences.
News & Media
Hostesses say that those are rare occurrences, and that exhaustion from a life of partying is a more common hazard in their profession.
News & Media
Expert writing Tips
Best practice
Use "rare occurrences" to emphasize the unusual or infrequent nature of something, lending a sense of surprise or exceptionality to your writing. It is effective in both formal and informal contexts.
Common error
While grammatically correct, excessively using "rare occurrences" in casual conversation or informal writing can sound stilted. Opt for simpler alternatives like "seldom happens" or "not often" to maintain a natural tone.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "rare occurrences" functions as a noun phrase, typically serving as the subject or object of a sentence. As Ludwig AI confirms, it is used to describe events or instances that are not common, highlighting their infrequency. For example, 'These raids are outliers not because they are rare occurrences but because they made it into the news at all.'
Frequent in
News & Media
37%
Science
53%
Encyclopedias
3%
Less common in
Wiki
2%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "rare occurrences" is a grammatically sound and commonly used phrase to describe events that do not happen frequently. Ludwig AI confirms its correctness and usability. It's versatile, fitting into news reports, scientific papers, and general discourse, though simpler alternatives might suit more casual settings. As the examples from Ludwig illustrate, the phrase helps to emphasize the unusual or exceptional nature of something, adding nuance to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
infrequent events
Focuses on the lack of frequency in events.
uncommon instances
Highlights the lack of commonality in specific instances.
isolated cases
Emphasizes the separation and singularity of the events.
exceptional situations
Stresses the deviation from the norm in specific situations.
seldom seen events
Highlights the infrequency with which events are observed.
sporadic instances
Focuses on the scattered and irregular nature of the occurrences.
unusual happenings
Emphasizes the atypical nature of the happenings.
anomalous events
Highlights the deviation from the expected or normal pattern.
out-of-the-ordinary incidents
Focuses on incidents that fall outside the realm of typical experiences.
once-in-a-blue-moon events
An idiomatic expression emphasizing extreme rarity.
FAQs
How can I use "rare occurrences" in a sentence?
"Rare occurrences" can be used to describe events that don't happen often, such as "Maternal deaths in childbirth are now "rare occurrences" in high-income countries" or "Spontaneous outbreaks of group nakedness that once seemed renegade on many American campuses are no longer "rare occurrences"".
What are some synonyms for "rare occurrences"?
Some alternatives include "infrequent events", "uncommon instances", or "isolated cases". The best choice depends on the specific nuance you want to convey.
Is it better to say "rare occurrence" or "rare occurrences"?
Use "rare occurrence" when referring to a single instance of something infrequent. Use "rare occurrences" when discussing multiple instances or the general phenomenon of infrequent events.
What's the difference between "rare occurrences" and "unusual events"?
"Rare occurrences" emphasizes the infrequency of something happening, while "unusual events" highlights the atypical or unexpected nature of the event, regardless of how often it happens. Although they are very similar, the former describes that it does not happen often, while the latter says that it is weird or not the norm.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Articles from Ludwig's Blog
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested