Client vs Customers

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

Client

Top 2,000 (common)B1noun

Customers

Top 1,000 (very common)
Most common: Customers
 ClientCustomers
Pronunciation🇬🇧 //ˈklaɪənt//🇺🇸 //ˈklaɪənt//🇬🇧 //ˈkʌstəməz//🇺🇸 //ˈkʌstəmərz//
MeaningA person or company that buys services.People who buy goods or services.
ExampleThe consultant presented her ideas to the client.The store has many loyal customers who return every week.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelB1-
Part of speechnoun
Collocationsnew client, potential client, client relationship, client servicessatisfied customers, new customers, potential customers, regular customers, loyal customers
Antonymsprovider, vendor, suppliersuppliers, providers, vendors
Common mistakesConfused with 'customer' - 'client' is more formal and often involves ongoing services., Use as 'an client' instead of 'a client' - 'client' starts with a consonant sound.Confused with 'client' - customers usually buy products, clients may receive services., Incorrect plural usage - 'customer' is singular, 'customers' is plural., Mispronounce - often pronounced without the 's' sound at the end.
Usage notesUsed in business contexts; suitable for both informal and formal situations. Avoid using in casual conversations unrelated to business.Used in business contexts to refer to those who purchase products. Avoid in overly casual situations.

Frequently asked questions: Client vs Customers

What's the difference between Client and Customers?

Client: A person or company that buys services. Customers: People who buy goods or services.

Which is more common: Client and Customers?

Customers is the most common in everyday English.

Can you show an example of each?

Client: The consultant presented her ideas to the client. Customers: The store has many loyal customers who return every week.

Can I use Client and Customers interchangeably?

Not always. Client and Customers 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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