Espionage vs Intelligence

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

Espionage

FormalTop 5,000 (fairly common)

Intelligence

Top 1,000 (very common)B1noun
Most formal: EspionageMost common: Intelligence
 EspionageIntelligence
Pronunciation🇬🇧 //ˈɛspiənɑːʒ//🇺🇸 //ˈɛspiəˌnɑʒ//🇬🇧 /["/ɪnˈtelɪdʒəns/"]/🇺🇸 /["/ɪnˈtelɪdʒəns/"]/
MeaningThe secret act of spying, especially to get secret information.The ability to think, learn, and understand.
ExampleThe country was accused of conducting espionage against its neighbors.Her intelligence in solving complex problems is impressive.
RegisterFormalNeutral
How commonTop 5,000 (fairly common)Top 1,000 (very common)
CEFR level-B1
Part of speechnoun
Collocationsconduct espionage, engage in espionage, accuse of espionage, practice espionage, spy for espionageconsiderable, great, high, have, demonstrate, show, test, secret, good, reliable, collect, gather, get, agency, community, service
Antonyms-ignorance, stupidity
Common mistakesConfused with 'spying' - espionage implies organized, often state-sponsored activities., Wrongly assume it's only about military - it can also involve corporate secrets.Often confused with 'intelligent' as a synonym., Misused as an adjective, though it is a noun., Sometimes incorrectly spelled as 'inteligence'.
Usage notesUsed primarily in formal contexts, especially in discussions about government or military activities. Avoid in casual conversation.Used in both formal and informal contexts. Can refer to academic intelligence or general cleverness. Avoid using it in overly casual conversations.

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Espionage
Intelligence

Frequently asked questions: Espionage vs Intelligence

What's the difference between Espionage and Intelligence?

Espionage: The secret act of spying, especially to get secret information. Intelligence: The ability to think, learn, and understand.

Which is more formal: Espionage and Intelligence?

Espionage is the most formal of these.

Which is more common: Espionage and Intelligence?

Intelligence is the most common in everyday English.

Can you show an example of each?

Espionage: The country was accused of conducting espionage against its neighbors. Intelligence: Her intelligence in solving complex problems is impressive.

Can I use Espionage and Intelligence interchangeably?

Not always. Espionage and Intelligence 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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