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
an extra letter
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an extra letter" is correct and usable in written English.
You can use it when referring to an additional letter that is not needed or is added to a word or phrase, often in the context of spelling or writing. Example: "The word 'accommodate' often confuses people because they tend to add an extra letter, making it misspelled."
✓ Grammatically correct
Academia
News & Media
Wiki
Alternative expressions(1)
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
13 human-written examples
Each clue in Level 7 contains an extra letter that must be removed before the clue can be solved.
More than once the students actually asked permission to write an extra letter in order to bring about a conclusion to their particular character's story arc.
When I checked the e-tickets a couple of weeks later I realised I had added an extra letter to my friend's surname.
News & Media
Census workers are being taught, for example, to look for clues that a house has two families living in it, such as an extra letter box or electricity meter.
News & Media
He seemed to think he was making a point against Einstein, rather than for him, for he added: "There is only one fault with his cosmical religion: he put an extra letter in the word - the letter "s"." There is nothing comical about Einstein's beliefs.
News & Media
If a student's résumé says she is captain of the soccer team, and her coach wrote an extra letter of recommendation, then turn to another topic.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
Bijli, a superstitious sort who has also spelled his name Ajjay for a lucky extra letter, was 12 when his father got hold of the Priya.
News & Media
"Perhaps because it is associated with young women — or perhaps because it is playful — word elongation disarms," argued The Cut. "Thus, when asking a favor or making a demand, extra letters soften the blow.
News & Media
But be warned: the quest for a few extra letters after your name is not an easy one.
News & Media
But, in a piece over on the Guardian's Blogging Students, she warned the quest for a few extra letters after your name is not an easy one.
News & Media
Because as of this week, one extra letter gets you a third more funding.
News & Media
Expert writing Tips
Best practice
When editing, actively look for potential instances where you might have inadvertently added "an extra letter" to a word, especially in commonly misspelled words.
Common error
Be mindful of common misspellings where words often gain "an extra letter". Double-check words like "accommodate" or "separate" to ensure correct spelling.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an extra letter" functions primarily as a noun phrase, typically serving as the object of a verb or preposition. It identifies a letter that is additional or unnecessary within a word or text, and Ludwig confirms its correct usage.
Frequent in
News & Media
33%
Academia
23%
Wiki
17%
Less common in
Science
12%
Formal & Business
8%
Reference
7%
Ludwig's WRAP-UP
In summary, "an extra letter" is a grammatically correct and commonly used phrase that refers to an additional, unnecessary letter in a word or text. Ludwig confirms its validity and widespread usage across various contexts. It appears most frequently in News & Media and Academic sources. While generally indicating an error, it can sometimes be used deliberately for stylistic effect. When writing, it is best to actively identify words with a potential extra letter, being careful of common misspellings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
A superfluous letter
This alternative highlights the unnecessary nature of the letter.
An added letter
Focuses on the action of adding a letter, regardless of necessity.
An unnecessary letter
Emphasizes the lack of need for the letter.
A redundant letter
Indicates that the letter is repetitive and doesn't add meaning.
An additional character
Broader term encompassing letters and other symbols.
A misplaced letter
Implies the letter is not only extra, but also in the wrong position.
An extraneous letter
A more formal way to say an unnecessary letter.
A rogue letter
Suggests the letter is out of place and unwanted.
An inserted letter
Highlights the act of putting a letter into a word.
A padding letter
Focuses on letter serving purpose of filling space.
FAQs
How can I avoid adding "an extra letter" when I write?
Proofreading carefully and using a spell checker are good ways to avoid adding "an extra letter". Pay close attention to words you often misspell.
What is the difference between "an extra letter" and a typo?
A typo is a general term for a mistake in typing, while "an extra letter" specifically refers to the presence of an additional, unnecessary letter in a word. A typo can include missing letters, wrong letters or "transposed letters".
What can I say instead of "an extra letter"?
Depending on the context, you could use phrases like "superfluous letter", "unnecessary letter", or "redundant letter".
Is adding "an extra letter" always a mistake?
Generally, yes. However, in some contexts, like internet slang or intentional misspellings for emphasis, adding "an extra letter" can be used deliberately for stylistic effect.
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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
4.1/5
Expert rating
Real-world application tested