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
primary groupings
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "primary groupings" is correct and usable in written English.
It can be used when referring to the main categories or classifications within a certain context, such as data analysis or social structures. Example: "In our research, we identified three primary groupings of participants based on their responses."
✓ 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
4 human-written examples
The analysis produced two primary groupings of Nosema peptides: Group 1 which contained N. apis, N. bombycis, and N. locustae; and Group 2 which contained all of the remaining Nosema species.
Science
However, because a lot of states seem to shift around their primary dates each election cycle, new names are constantly being thought up for the new primary groupings.
News & Media
However, it was necessary to do slight modifications in the primary groupings to ensure comparability.
Specifically, we have incorporated a short descriptive header for the three primary groupings of search functionalities ('topics', 'open search' and 'limits'), which are followed by a one-line description of what each can be used to do.
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
The regions sampled comprise seven main groupings.
Science
Four primary linguistic groupings, each including a number of dialects, made up the Wintun population: the northern Wintun (Wintu), the central Wintun (Nomlaki), and the two subdivisions of the southern Wintun, the Hill and River Patwin.
Encyclopedias
Maximum parsimony analysis led to the subdivision of PROF1 into three primary phylogenetic groupings with good bootstrap support.
Science
Figure 4a displays a topological overview of the primary flatworm GPCR groupings.
Science
Primary Conditions are groupings of related International Classification of Disease codes assigned at the time of admission to the hospital.
Science
Transitions were defined as either: 1) a change in location of where the patient was cared for; or 2) a change in which service (specialist groupings, primary care, etc) provided care.
Science
To evaluate the potential food web and ecosystem impacts of different invertebrate fisheries, we assigned primary and secondary functional groups to larger species groupings according to the primary literature and reference books (Table S4).
Science
Expert writing Tips
Best practice
When using "primary groupings", ensure the context clearly defines the criteria used for categorization. This enhances clarity and avoids ambiguity.
Common error
Avoid creating "primary groupings" that overlap significantly. Each group should ideally be distinct to maintain the integrity of the classification.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "primary groupings" functions as a noun phrase that identifies the main or principal categories within a particular system or context. It indicates a method of classification where items are sorted into major groups based on shared characteristics. According to Ludwig, the phrase is grammatically correct and usable.
Frequent in
Science
70%
News & Media
15%
Encyclopedias
15%
Less common in
Formal & Business
0%
Reference
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "primary groupings" is a grammatically sound and usable term, according to Ludwig AI. It functions as a noun phrase used to describe the main or principal categories within a system or context. It is most frequently encountered in scientific and academic writing, with less common usage in news media and encyclopedias. While grammatically correct, ensuring clear and distinct categorization criteria is crucial for effective use. Alternative phrases such as "main categories" and "key classifications" can be used for variety. Avoiding overlapping categories ensures the integrity of any classification using "primary groupings".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
major groupings
Emphasizes the size or significance of the categories.
fundamental groupings
Emphasizes the foundational aspect of the groupings.
main categories
Replaces "groupings" with a more general term for classification.
core categories
Focuses on the essential or fundamental nature of the categories.
key classifications
Substitutes both "primary" and "groupings" with synonyms that emphasize importance and systematic arrangement.
chief classifications
Highlights the hierarchical importance of the categories.
basic divisions
Uses simpler language to indicate fundamental separation.
principal divisions
Uses more formal vocabulary to convey the idea of major subdivisions.
initial classifications
Suggests the first level of categorization.
first-order groupings
Indicates the primary level in a hierarchical classification system.
FAQs
How can I use "primary groupings" in a sentence?
You can use "primary groupings" to describe the main categories or classifications within a specific context. For instance, "The study identified three primary groupings of respondents based on their survey answers."
What are some alternatives to the phrase "primary groupings"?
You can use alternatives such as "main categories", "key classifications", or "major groupings" depending on the specific context and nuance you want to convey.
When is it appropriate to use the term "primary groupings"?
It is suitable when you want to emphasize that the groupings are the main or most important categories within a larger set. It's particularly useful in data analysis, scientific classification, or organizational structures.
What's the difference between "primary groupings" and "secondary groupings"?
"Primary groupings" refer to the main, fundamental categories, while secondary groupings are further subdivisions or subcategories within those primary groups. The primary groupings represent the broadest level of classification.
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
4.1/5
Expert rating
Real-world application tested