Enquiry vs Request

When to use each in English, with meaning, register, and examples.

Enquiry

Top 5,000 (fairly common)B2noun

Request

Top 1,000 (very common)A2noun
Most common: Request
 EnquiryRequest
Pronunciation🇬🇧 /["/ɪnˈkwaɪəri/"]/🇺🇸 /["/ˈɪnkwəri//ɪnˈkwaɪəri/"]/🇬🇧 /["/rɪˈkwest/"]/🇺🇸 /["/rɪˈkwest/"]/
MeaningA question or a request for information.to ask for something
ExampleI made an enquiry about the availability of the product.I would like to make a request for a day off next week.
RegisterNeutralNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)
CEFR levelB2A2
Part of speechnounnoun
Collocationsdetailed, thorough, full, carry out, conduct, have, be underway, take place, begin, report, team, process, at an/​the enquiry, during an/​the enquiry, in an/​the enquiry, a steward’s enquiry, the outcome of an enquiry, the result of an enquiry, exhaustive, extensive, thorough, flood, stream, make, pursue, send, desk, office, service, pending enquiry, enquiry about, enquiry as to, direct an enquiry to somebody, careful, systematic, further, encourage, enquiry concerning, enquiry into, an area of enquiry, a board of enquiry, a commission of enquiryspecial, legitimate, reasonable, make, put in, send, at somebody’s request, by request, on request, available on request, available upon request, by popular request, special, legitimate, reasonable, make, put in, send, at somebody’s request, by request, on request, available on request, available upon request, by popular request
Antonymsanswer, responserefuse, decline
Common mistakesConfused with 'inquiry'; 'enquiry' is often British English., Using 'enquiry' in informal contexts where 'question' is more suitable., Incorrect pluralization; 'enquiries' should not be replaced with 'enquiries'.Using 'request' with a different preposition, such as 'request for'., Confusing 'request' with 'require'., Not using it in the correct form, like 'requested' instead of 'requesting'.
Usage notesUse 'enquiry' in formal or business contexts when asking for information. In casual conversations, 'question' may be more common. Avoid using 'enquiry' in very informal settings.Used in polite or formal contexts. It may sound too formal for casual conversations, where simpler words like 'ask' are preferred.

Frequently asked questions: Enquiry vs Request

What's the difference between Enquiry and Request?

Enquiry: A question or a request for information. Request: to ask for something

Which is more common: Enquiry and Request?

Request is the most common in everyday English.

Which is more advanced: Enquiry and Request?

Enquiry is the highest level, at B2, on the CEFR scale.

Are Enquiry and Request the same CEFR level?

Enquiry: B2, Request: A2 on the CEFR scale.

What part of speech are Enquiry and Request?

Enquiry: noun, Request: noun.

Can you show an example of each?

Enquiry: I made an enquiry about the availability of the product. Request: I would like to make a request for a day off next week.

Can I use Enquiry and Request interchangeably?

Not always. Enquiry and Request are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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