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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
relevant letters
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "relevant letters" is correct and usable in written English.
It can be used when referring to letters that are pertinent or applicable to a specific context or situation. Example: "Please ensure that you include all relevant letters in your application package to support your case."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(2)
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
6 human-written examples
So the child constructs a sound from the relevant letters, but it's not a word.
News & Media
Author's Query For a biography of the pocket billiard champion Ralph Greenleaf (1900-50), I would appreciate hearing from anyone with relevant letters, photographs or personal recollections.
News & Media
Neumeyer included as appendices testimony by Garth Williams, the story's excellent illustrator, and samples of White's considerable research on spiders, and selections from relevant letters and writings, and, most valuably, an accounting, with quotations and reproduced pages, of the eight (at least) drafts whereby White revised "Charlotte's Web" into its splendid final state..
News & Media
Neumeyer included as appendices testimony by Garth Williams, the story's excellent illustrator, and samples of White's considerable research on spiders, and selections from relevant letters and writings, and, most valuably, an accounting, with quotations and reproduced pages, of the eight (at least) drafts whereby White revised "Charlotte's Web" into its splendid final state.
News & Media
Much more scholarly and influential was an 1870 work by George Adlard, Amy Robsart and the Earl of Leycester, which printed relevant letters and covertly suggested suicide as an explanation.
Wiki
Calima turns out to be the remains of the Oberon, Leo's space station, which has crashed on the planet's surface and looks ancient (the name Calima coming from the sign "CAution LIve aniMAls", the relevant letters being the only ones not covered in dust).
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Extremism presents many dangers, and yet also possibilities, as Martin Luther King, Jr. observed in his poignant and still relevant Letter from a Birmingham Jail: "So the question is not whether we will be extremists, but what kind of extremists we will be.
News & Media
At every frame change (i.e. every 45 ms), the relevant letter and two irrelevant signs were changed; the new relevant letter was flashed at another location (see Fig. 3).
Science
Each tape measurement (in inches) was marked with a single line on the tape measure, labelled with the relevant letter (W or H) (measured value) and also recorded in the relevant questionnaire box by the participant (self-reported measurement).
Science
Smith [ 3] highlighted many of the flaws to the assumptions made by ICG in an older, but still very relevant, letter to the editor, including the effect on impedance of the body size and shape, resistivity of blood and regional blood flow.
Science
References from relevant articles, letters, reviews and editorials were searched to identify any additional relevant studies.
Science
Expert writing Tips
Best practice
When requesting information, be specific about the "relevant letters" you need to avoid ambiguity and ensure you receive the correct documents.
Common error
Avoid vague requests like "send me all letters." Instead, specify the criteria that make the "letters" "relevant", such as date range, subject matter, or sender/recipient.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "relevant letters" functions primarily as an adjective-noun phrase. The adjective "relevant" modifies the noun "letters", specifying that only certain letters are important or applicable. Ludwig AI confirms its usability.
Frequent in
Science
35%
News & Media
30%
Wiki
15%
Less common in
Encyclopedias
10%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "relevant letters" is a grammatically sound and commonly used expression to denote letters that are pertinent or applicable to a specific situation. As Ludwig AI confirms, its primary function is to specify and narrow down a set of letters that hold particular importance. Predominantly found in scientific and news contexts, its neutral tone makes it suitable for various communication styles. For clarity, when requesting or referring to letters, specify the "relevance" criteria to ensure accurate information retrieval. Keep in mind that, based on the context, other words can replace "relevant letters" such as "pertinent correspondence" or "applicable documents". While widely accepted, vaguely worded requests should be avoided.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
pertinent correspondence
Replaces "relevant" with "pertinent" and "letters" with "correspondence", focusing on written communication.
applicable documents
Shifts the focus to documents that are applicable to a specific situation, broadening the scope beyond just letters.
material correspondence
Emphasizes the importance or materiality of the letters in question.
germane letters
Uses "germane" as a synonym for "relevant", indicating a close connection to the matter at hand.
related communications
Generalizes "letters" to "communications", encompassing a wider range of communication methods.
significant documentation
Focuses on the significance of the documentation, which includes letters.
appropriate letters
Highlights the appropriateness of the letters for a given context.
important correspondence
Stresses the importance of the letters, making them crucial for consideration.
useful letters
Emphasizes the utility of the letters in providing information or assistance.
key documentation
Highlights the crucial nature of the documentation, which may include letters.
FAQs
How can I use "relevant letters" in a cover letter?
When writing a cover letter, mention the "relevant letters" or documents you are including to support your application, such as recommendation letters or transcripts.
What's the difference between "relevant letters" and "important letters"?
"Relevant letters" are applicable to a specific context, while "important letters" have significant value or impact in a general sense.
What are examples of "relevant letters" in a legal context?
In a legal context, "relevant letters" may include correspondence related to a case, such as contracts, agreements, or "demand letters", which are pertinent to the legal proceedings.
How do I identify "relevant letters" when conducting research?
When conducting research, "relevant letters" are those that provide direct insights, data, or perspectives related to your research topic, as opposed to those that are only tangentially related. Prioritize letters that address your key research questions or support your "hypotheses".
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested