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
Both kinds of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Both kinds of" is correct and usable in written English.
You can use it when referring to two different categories or types of something. Example: "Both kinds of fruit are available at the market: tropical and temperate."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
59 human-written examples
Both kinds of sales violate federal law.
News & Media
Both kinds of mismatch are errors.
News & Media
Both kinds of leaders must live on pedestals, he said.
News & Media
Both kinds of oil are sold in large supermarkets.
News & Media
Both kinds of fractures can happen during falls.
News & Media
Both kinds of un- are ripe for creating new words.
News & Media
Both kinds of politics are also on offer.
News & Media
Both kinds of dirt-eating occur around the world.
News & Media
Both kinds of information are needed for a complete appraisal.
Encyclopedias
Both kinds of singularities are integrable.
Science
Both kinds of sharing can, of course, help advance careers.
Science & Research
Expert writing Tips
Best practice
Use "Both kinds of" to clearly indicate that you are referring to two distinct categories or types of something. This helps in making your writing more precise and avoids ambiguity.
Common error
Avoid using "both kinds of" when you're actually discussing more than two categories. This can confuse your readers. If there are multiple types, use a more general phrase like "various kinds of" or "several types of".
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "both kinds of" functions as a determiner phrase, specifically limiting the scope to two specific categories or types. As Ludwig AI confirms, it is grammatically correct and commonly used. Examples show its use in various contexts to clearly indicate two distinct options or classifications.
Frequent in
News & Media
35%
Science
35%
Encyclopedias
5%
Less common in
Formal & Business
0%
Wiki
1%
Reference
0%
Ludwig's WRAP-UP
In summary, "both kinds of" is a grammatically sound and frequently employed phrase used to refer to two distinct categories or types. As demonstrated by Ludwig AI, this phrase is appropriate across various contexts, from news articles to scientific papers. While there are alternative phrases like "both types of" or "the two kinds of", it's important to use the phrase accurately and avoid it when more than two categories are being discussed. Maintaining clarity and precision in your writing ensures effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Both types of
Replaces "kinds" with the synonym "types", maintaining the same meaning.
Both sorts of
Replaces "kinds" with the synonym "sorts", keeping the meaning identical.
The two types of
Rephrases using "the two" instead of "both", emphasizing the number.
The two categories of
Uses "categories" instead of "kinds", specifying a classification.
These two forms of
Specifies "forms" instead of "kinds", implying a structure or shape.
Two different varieties of
Replaces "kinds" with the more descriptive "varieties".
The aforementioned types of
Adds formality by using "aforementioned".
Each type of
Shifts focus to individual types instead of the collective.
The respective kinds of
Highlights that each item has its own associated kind.
The former and the latter
Refers to two previously mentioned items.
FAQs
How do I use "both kinds of" in a sentence?
Use "both kinds of" to refer to two distinct categories or types. For example, "Both kinds of oil are sold in large supermarkets".
What's an alternative to using "both kinds of"?
You can use alternatives such as "both types of", "the two types of", or "the two categories of" depending on the context.
Is it correct to say "both kind of" instead of "both kinds of"?
No, "both kinds of" is the correct form. The word "kinds" should be plural because you are referring to two types.
When should I not use "both kinds of"?
Avoid using "both kinds of" if you are referring to more than two categories or if the context is unclear. In such cases, consider using a phrase like "various types of" or "several categories of".
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested