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
collection of keys
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "collection of keys" is correct and usable in written English.
It can be used when referring to a group or set of keys, whether literal or metaphorical, such as in programming or data management. Example: "The janitor carried a large collection of keys to access different rooms in the building."
✓ Grammatically correct
News & Media
Academia
Science
Formal & Business
Wiki
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
A nearly footlong brass key rested on a side table; Gromatzky said it was part of Autumn Ross's collection of keys.
News & Media
Mr. Labriola carries an enormous collection of keys, tools&repair-related items, most of them protruding from a leather holster that is slung from a belt.
News & Media
Rattling the huge collection of keys to her many offices, she added, "Sometimes I think I am a super of a building rather than an elected official".
News & Media
Mrs. Hunter is the only name I have for her, A rich old woman who engaged my father, a painter, To document her collection of keys.
News & Media
Shopsin, who is thirty-eight but could be mistaken for a preteen boy, wore a green sack skirt, Nike Cortez sneakers, and a baseball cap; a collection of keys hung from a lanyard around her neck.
News & Media
by Sharon Levy Mrs. Hunter is the only name I have for her, A rich old woman who engaged my father, a painter, To document her collection of keys.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
"We see it as a capsule collection of key pieces that would complement any girls wardrobe," said Phelan.
News & Media
"The need for federal collection of key debt information at all colleges could not be more clear," Mr. Reed added.
News & Media
Online collection of key backlist and out-of-print scholarly works in the fields of art and architectural history published by: The Art Institute of Chicago, The MIT Press, Yale University Press, Harvard Art Museums, and the Yale University Art Gallery.
Academia
The SNP leader, Alex Salmond, hailed a "wind of change" sweeping Scotland as he won his seat with a swing of almost 20% and his party inflicted some serious blows on Labour to pick up a collection of key seats.
News & Media
Amid a collection of key points from the encyclical, Lloyd quotes a media release from James Grant, Catholic priest and adjunct fellow at the Institute of Public Affairs, reassuring Catholics that they "can feel safe in being sceptical about the pope's opinion".
News & Media
Expert writing Tips
Best practice
When using "collection of keys", consider the context. If you want to emphasize variety, "assortment of keys" might be more appropriate. If you want to highlight a large quantity, "stockpile of keys" could work better.
Common error
Avoid using "collection of keys" repeatedly in close proximity. Vary your language by using synonyms like "set", "group", or "assortment" to maintain reader interest and avoid sounding monotonous.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "collection of keys" functions primarily as a noun phrase. It refers to a group or gathering of keys. Ludwig AI indicates the phrase is correct and usable in written English. Examples show it denoting both literal and metaphorical collections.
Frequent in
News & Media
40%
Science
20%
Academia
20%
Less common in
Formal & Business
10%
Wiki
10%
Reference
0%
Ludwig's WRAP-UP
The phrase "collection of keys" is a grammatically sound noun phrase used to describe a group of keys. Ludwig AI confirms its correctness and usability. Although not extremely frequent, it appears in various contexts, including news, science, and academic writing. While synonymous terms like "set of keys" or "group of keys" may sometimes be preferred, "collection of keys" remains a valid and descriptive option. It’s important to consider context when selecting the most appropriate term.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
set of keys
Replaces "collection" with "set", implying a defined or organized group.
group of keys
A simpler, more general term for a number of keys.
batch of keys
Uses "batch" to suggest a group of keys produced or acquired at the same time.
accumulation of keys
Emphasizes the gradual gathering of keys over time.
selection of keys
Suggests a deliberate choice or arrangement of keys.
assortment of keys
Highlights the variety or mix of different types of keys.
range of keys
Implies a spectrum or variety of keys available.
cluster of keys
Conveys keys that are closely bunched or grouped together.
stockpile of keys
Suggests a large, often excessive, quantity of keys stored.
hoard of keys
Implies a secret or hidden gathering of keys.
FAQs
How can I use "collection of keys" in a sentence?
You can use "collection of keys" in sentences like, "The museum displayed a fascinating "collection of keys" from different eras" or "The security guard had a large "collection of keys" for all the building's entrances".
What phrases are similar to "collection of keys"?
Similar phrases include "set of keys", "group of keys", and "assortment of keys", which offer slight variations in meaning or emphasis.
Is it ever incorrect to use the phrase "collection of keys"?
While grammatically correct, using "collection of keys" might be less suitable in very informal contexts. A simpler phrase like "some keys" might be preferred in casual conversation. The term isn't so formal as to be generally inappropriate however.
What is the difference between "collection of keys" and "set of keys"?
"Collection of keys" implies a gathering or accumulation, possibly diverse. "Set of keys" suggests a specific, often related, group intended for a particular purpose or belonging together.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested