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 two types of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'both two types of' is correct and usable in written English.
You can use this phrase when describing two distinct categories or types that both fall under the same general concept. For example, you could say, "This store sells both two types of shoes: dress shoes and running shoes."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
both kinds of
each of the two types of
these two types
the two varieties of
Both kinds of
Both categories of
The two types of
The two varieties of
The two classes of
Each of the two types of
both two years of
both two clusters of
both two kinds of
both two groups of
both two classes of
both two limitations of
both two isoforms of
both two sets of
both two doses of
variant
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
9 human-written examples
The results provided experimental evidences that a remarkable interaction may occur between them, which gave rise to increasing expression of Kif4A in both two types of cells and elevated CCL2 level in supernatant.
Science & Research
In this model, both labeled data samples (with values for both two types of variables) and unlabeled data samples (with values only for routinely recorded variables) can be effectively used.
Science
Specifically, our survey considers two types of WMNs, one with reliable links and the other with lossy links, and we study how XNC can be effectively utilized in both two types of WMNs.
Science
Among these, the compressed-air discharge performs the best in inactivating both two types of the bacterial cells, because of the abundant ozone generation and probably through the assistance of nitrous oxide generated in the discharge.
With Smith's mobility and experience with run-pass options in Kansas City last year, these are both two types of plays he could run effectively that allow the Redskins to get both Guice and Thompson on the field at the same time and get the most out of their respective skill sets.
News & Media
We selected 18 well-studied tissues covered by both two types of data for analyses.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
On the contrary, both the judicial system and NGOs insisted that both the two types of litigations should be included and promoted.
In both cases, two types of nanostructures are required.
Science & Research
In both images, two types of structure have been seen.
Science
For both studies, two types of criminal justice data were collected.
Science
Both provide two types of services: guaranteed throughput (GT) and best effort (BE).
Expert writing Tips
Best practice
While grammatically correct, consider streamlining your language by using phrases like "both types of" or "the two types of" to avoid redundancy and enhance clarity.
Common error
Avoid using "both two types of" when a simpler phrase like "both types of" is sufficient. The added "two" is often unnecessary and can make the writing sound less polished.
Source & Trust
80%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "both two types of" functions as a determiner specifying that two distinct categories are being referred to. According to Ludwig, the phrase is grammatically correct but can often be more concise.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "both two types of" is grammatically correct, it's often considered slightly redundant and can be streamlined for clearer and more impactful writing. As Ludwig AI indicates, simpler alternatives such as "both types of" or "the two types of" are usually preferred. This phrase is most commonly found in science and news media contexts, with a more neutral register. While acceptable, writers should be mindful of the potential for over-emphasis and consider more concise alternatives like "both kinds of" or "the two varieties of" to enhance clarity and polish.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Both kinds of
Replaces "types" with "kinds", offering a slightly more informal tone.
Both categories of
Substitutes "types" with "categories", providing a slightly more formal option.
The two types of
Omits "both" to create a less emphatic statement about encompassing the two types.
The two varieties of
Replaces "types" with "varieties", suitable when discussing variations within a broader category.
The two classes of
Replaces "types" with "classes", suitable when discussing items from a structured classification.
Each of the two types of
Adds "each of" to emphasize individual consideration of both types.
Both of these types
Uses "these" to refer to specific, previously mentioned types.
These two types
A more concise way of referring to two specific types already under discussion.
Each type
Focuses on the individual characteristics of each type.
The respective types
Highlights the distinctness and individuality of each type.
FAQs
Is it better to say "both types of" or "both two types of"?
"Both types of" is generally preferred because it's more concise and avoids redundancy. "Both two types of" is grammatically correct, but less streamlined.
What are some alternatives to "both two types of"?
Consider using phrases like "both kinds of", "each of the two types of", or simply "these two types" for clearer communication.
In what contexts is "both two types of" acceptable?
While grammatically sound, "both two types of" is generally suitable in casual conversation. Aim for more concise phrasing in formal writing.
How does "both two types of" compare to "both of these types"?
"Both of these types" implies you've already mentioned the types in question, whereas "both two types of" introduces them generally. The best choice depends on the context.
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
80%
Authority and reliability
4.2/5
Expert rating
Real-world application tested