Cool MateSpies vs Undercover
When to use each in English, with meaning, register, and examples.
Spies
Top 3,000 (common)
Undercover
Top 5,000 (fairly common)
Most common: Spies
| Spies | Undercover | |
|---|---|---|
| Pronunciation | 🇬🇧 //spaɪz//🇺🇸 //spaɪz// | 🇬🇧 //ˌʌndəˈkʌvə//🇺🇸 //ˌʌndərˈkʌvər// |
| Meaning | People who secretly watch or gather information about others. | Working secretly, especially for the police. |
| Example | The government hired many *spies* during the Cold War. | The officer went undercover to infiltrate the gang. |
| Register | Neutral | Neutral |
| How common | Top 3,000 (common) | Top 5,000 (fairly common) |
| Collocations | high-tech spies, military spies, foreign spies, covert spies | undercover agent, undercover operation, undercover work, undercover mission, undercover investigation |
| Antonyms | friends, allies | - |
| Common mistakes | Confused with 'spy' (singular)., Incorrectly assume it only refers to government agents., Use it as a verb instead of a noun. | Confused with 'undercover' as a noun instead of an adjective., Misusing with non-secretive situations., Overusing in casual contexts when it may require formality. |
| Usage notes | Use 'spies' in discussions about espionage, movies, or literature. Avoid using it in casual contexts unless joking. | Used in contexts related to secret missions, especially in law enforcement or espionage. Can convey a sense of stealth or secrecy. |
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Frequently asked questions: Spies vs Undercover
What's the difference between Spies and Undercover?
Spies: People who secretly watch or gather information about others. Undercover: Working secretly, especially for the police.
Which is more common: Spies and Undercover?
Spies is the most common in everyday English.
Can you show an example of each?
Spies: The government hired many *spies* during the Cold War. Undercover: The officer went undercover to infiltrate the gang.
Can I use Spies and Undercover interchangeably?
Not always. Spies and Undercover 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.