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
a order
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a order" is not correct in written English.
It should be "an order" because "order" begins with a vowel sound. Example: "I would like to place an order for delivery."
⚠ May contain grammatical issues
Science
News & Media
Wiki
Alternative expressions(4)
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
26 human-written examples
12. Going with the flow is a lot of fun I used to be this type A, order loving, always hyper-stressed guy.
News & Media
A second region of predicted order that includes both predicted helix and sheet is found in the C-terminal Yap1-like domain (Figure 1 A, order, helix, sheet).
Science
I got a order some more cards anyway".
News & Media
I've put in a order for a cheetah and a monkey.
News & Media
In a order posted on its Web site, the F.C.C. exempted the two companies from price caps and other so-called dominant-carrier rules on long-distance service.
News & Media
Figure 1 (a) Order should be picked carefully for.
Human-verified similar examples from authoritative sources
Similar Expressions
33 human-written examples
Therefore, 'government-industry-academia triple helix' is a better term with a G-I-A order to reflect China's case, in which academia (includes university/research institution) conducting R&D, with the government playing a dominant one role.
Science
We know of no other parallel algorithm in the literature that generates trees in A-order.
Science
We present a new parallel algorithm for generating binary trees; it generates trees in A-order using A-sequences representation.
Science
A consumer places an order.
News & Media
"Getting an order isn't a problem.
News & Media
Expert writing Tips
Best practice
Always use "an order" instead of "a order" when referring to a request or command. Remember that "an" is used before words that begin with a vowel sound.
Common error
Avoid using "a" before words starting with a vowel sound; always use "an" in such cases. This simple correction drastically improves grammatical accuracy.
Source & Trust
77%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a order" is intended to function as a noun phrase, typically used to denote a request, command, or instruction. However, Ludwig AI identifies this phrase as grammatically incorrect due to the improper use of the indefinite article "a" before a word beginning with a vowel sound.
Frequent in
Science
32%
News & Media
32%
Wiki
21%
Less common in
Formal & Business
8%
Reference
3%
Encyclopedias
2%
Ludwig's WRAP-UP
In summary, the phrase "a order" is grammatically incorrect; the proper form is "an order". As noted by Ludwig AI, the error stems from using the indefinite article "a" before a word that begins with a vowel sound. While examples from Ludwig show the phrase's usage in diverse contexts like science, news, and general writing, it is crucial to correct the article for grammatical accuracy. Alternative phrases such as "a request" or "a directive" can be used depending on the intended meaning. Remember to always use "an" before words starting with a vowel sound to ensure grammatical correctness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
an order
Corrects the grammatical error by using the correct article "an" before the vowel sound.
a request
Replaces "order" with a synonym that maintains a similar meaning, focusing on asking for something.
a directive
Replaces "order" with a stronger synonym, implying a command or instruction.
a command
Similar to "a directive", emphasizing authority and obligation.
a decree
Implies a formal and official order, often from a governing body.
a provision
Shifts the focus to something being provided or arranged, rather than a direct order.
a regulation
Emphasizes a rule or set of rules that must be followed.
a warrant
Refers to a legal document authorizing an action, such as a search or arrest.
a procedure
Focuses on a set of actions that are followed in a regular order.
a sorted
It implies that items or elements are arranged into a specific sequence
FAQs
What is the correct way to say "a order"?
The correct way to say it is "an order". The article "an" should be used before words that start with a vowel sound.
Can I use "a request" instead of "a order"?
Which is correct, "a order" or "an order"?
"An order" is the correct phrase. "A order" is grammatically incorrect because "order" begins with a vowel sound.
What's the difference between "a order" and "an order"?
"A order" is grammatically incorrect due to the misuse of the article "a" before a word starting with a vowel sound. The correct form is "an order", where the article "an" is used before vowel sounds.
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
77%
Authority and reliability
1.8/5
Expert rating
Real-world application tested