Detectives vs Police

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

Detectives

Top 3,000 (common)

Police

Top 1,000 (very common) A1 noun

Most common: Police

	Detectives	Police
Pronunciation	🇬🇧 //dɪˈtɛktɪvz// 🇺🇸 //dɪˈtɛktɪvz//	🇬🇧 /["/pəˈliːs/"]/ 🇺🇸 /["/pəˈliːs/"]/
Meaning	Police officers who investigate crimes.	The people who keep the law and help everyone stay safe.
Example	The detectives worked late into the night to solve the case.	The police arrived quickly to handle the situation.
Register	Neutral	Neutral
How common	Top 3,000 (common)	Top 1,000 (very common)
CEFR level	-	A1
Part of speech		noun
Collocations	detectives assigned, homicide detectives, private detectives, detectives in charge, police detectives	armed, mounted, plain-clothes, call, contact, alert, arrest somebody, detain somebody, catch somebody, captain, chief, commissioner, helping the police with their enquiries, in police custody
Antonyms	criminals, offenders	criminal, offender
Common mistakes	Confused with 'detective' as a singular form, Incorrectly using as a verb (e.g., 'detectives to solve'), Using the term for non-police investigators in casual contexts	Confused with 'policy', meaning rules or guidelines., Using 'police' as a singular instead of plural., Mixing up the noun 'police' with the verb 'to police'.
Usage notes	Use 'detectives' when talking about people solving crimes. Not usually used to describe casual investigations.	Use 'police' when talking about law enforcement in general. Avoid in informal contexts where you might say 'cops' instead. Ideal for news, discussions about safety, or legal matters.

See it in real clips

Sherlock › S1 E1

But the police don't go to private detectives.

He also claims that the two detectives who arrested him...

Peaky Blinders › S1 E1

Detectives have been asking questions in the proofing shops.

Sherlock › S1 E1

But the police don't go to private detectives.

He also claims that the two detectives who arrested him...

Detectives

Band Of Brothers › S1 E1

It's from the chief of the Kokomo Police.

Now, how was he caught by the police?

Better Call Saul › S1 E1

- Don't call the police. Don't call. - Call them myself.

Band Of Brothers › S1 E1

It's from the chief of the Kokomo Police.

Now, how was he caught by the police?

Police

Frequently asked questions: Detectives vs Police

What's the difference between Detectives and Police?

Detectives: Police officers who investigate crimes. Police: The people who keep the law and help everyone stay safe.

Which is more common: Detectives and Police?

Police is the most common in everyday English.

Can you show an example of each?

Detectives: The detectives worked late into the night to solve the case. Police: The police arrived quickly to handle the situation.

Can I use Detectives and Police interchangeably?

Not always. Detectives and Police 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.