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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
past letters
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "past letters" is correct and usable in written English.
It can be used to refer to letters that were written or sent in the past, often in the context of discussing previous correspondence or historical documents. Example: "In her memoir, she often reflected on the wisdom shared in her past letters to friends and family."
✓ Grammatically correct
News & Media
Academia
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
He tracked down past letters and invited the customers to join the club.
News & Media
In the past, letters to the editor were the primary mass outlet for such expression.
Academia
In the past, letters would begin to come in about a year after the last vintage chart appeared here.
News & Media
Based on Starboard's past letters to Yahoo's board members and the CEO, the activist investor has made clear it would rather see a new board take over and prepare the company for sale than watch the existing board and executive leadership drag their feet as the Yahoo continues to lose money.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Investigators are trying to determine whether any of the past threat letters were similar in handwriting or content to the three known anthrax letters, sent to NBC News, The New York Post and Tom Daschle, the Senate majority leader (the letter believed to have caused the death in Florida has not been found).
News & Media
In the past, these letters — like audit reports signed by the firms — never mentioned a name.
News & Media
With the 50th anniversary issue now on newsstands, here are some past love letters to Mad.
News & Media
It's tempting to invest the remnants of the past — the letters, the heirlooms, the junk — with tremendous explanatory power, especially when the stuff is your family's.
News & Media
"We have in the past sent letters like this, but it is the first time in our knowledge one has gone to a journalist," Mr. Kramer said.
News & Media
Incurably nosy, she's desperate to discover the truth of Naomi's past, stealing letters and photographs to fill in the many gaps.
News & Media
Imagine the outcome if Ferguson had contented himself, as countless indignant academics have done in the past, with letters, bitterly addressing Mishra's wrongness as he sees it.
News & Media
Expert writing Tips
Best practice
When referring to specific sets of "past letters", consider providing context such as the sender, recipient, or time period to enhance clarity. For example, "The "past letters" between Hemingway and Fitzgerald offer insight into their creative process".
Common error
Avoid using "past letters" when referring to ongoing exchanges. This phrase is best suited for completed or historical sets of correspondence, not current communications.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "past letters" functions as a noun phrase, typically serving as the object of a verb or the complement of a preposition. As seen in Ludwig's examples, it refers to written correspondence that occurred at some time prior to the present.
Frequent in
News & Media
50%
Academia
25%
Formal & Business
25%
Less common in
Science
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "past letters" is a grammatically correct and understandable way to refer to written correspondence from a previous time. Ludwig's analysis shows the phrase is used in a variety of contexts, most commonly within news and media, and academia. While "past letters" isn't particularly common, and according to Ludwig it is perfectly acceptable, its usage is clear and unambiguous. When using this phrase, be mindful of the context to ensure it accurately reflects the intended meaning and avoid confusion with current correspondence.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
previous letters
This alternative directly replaces "past" with "previous", maintaining the same meaning and context.
former letters
Using "former" instead of "past" offers a slightly more formal tone while conveying the same idea.
earlier correspondence
This phrase replaces "letters" with the broader term "correspondence", suggesting a wider range of written communication.
old letters
This alternative is less formal and emphasizes the age of the letters.
letters from the past
This rephrasing changes the structure while keeping the meaning intact.
historical letters
Implies that letters have historical importance.
archived letters
This term suggests the letters have been preserved in an archive.
dated letters
Focuses on the fact that the letters have specific dates in the past.
bygone letters
Offers a more poetic or archaic way to describe letters from the past.
retrospective letters
This suggests the letters are being viewed or considered in retrospect.
FAQs
What are some synonyms for "past letters"?
Alternatives include "previous letters", "former letters", or "earlier correspondence" depending on the specific context.
When is it appropriate to use the phrase "past letters"?
Use "past letters" when discussing written communications from a previous time, especially when contrasting them with present or ongoing correspondence. For example, analyzing a writer's "past letters" can reveal insights into their development.
How does "past letters" differ from "historical documents"?
"Past letters" refers specifically to personal or professional correspondence, while "historical documents" is a broader term encompassing any written record of the past. While "past letters" can be historical documents, not all historical documents are "past letters".
Can "past letters" be used in a business context?
Yes, "past letters" is suitable in professional settings when referring to older business correspondence, such as "past correspondence" with clients or internal memos. It helps distinguish older communications from current ones.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested