Cool MateNinja vs Spy
When to use each in English, with meaning, register, and examples.
Ninja
Top 5,000 (fairly common)
Spy
Beyond 10,000 (less common)C1noun
Most common: Ninja
| Ninja | Spy | |
|---|---|---|
| Pronunciation | 🇬🇧 //ˈnɪndʒə//🇺🇸 //ˈnɪndʒə// | 🇬🇧 /["/spaɪ/"]/🇺🇸 /["/spaɪ/"]/ |
| Meaning | A skilled fighter who is good at moving quietly and secretly. | A person who secretly watches or gathers information about others. |
| Example | The ninja moved silently across the rooftop. | The spy successfully infiltrated the enemy's headquarters to gather confidential information. |
| Register | Neutral | Neutral |
| How common | Top 5,000 (fairly common) | Beyond 10,000 (less common) |
| CEFR level | - | C1 |
| Part of speech | noun | |
| Collocations | ninja skills, ninja training, ninja warrior, ninja costume, ninja techniques | enemy, foreign, government, network, act as, be, work as, infiltrate, film, movie, novel, spy for |
| Antonyms | - | friend, ally, supporter |
| Common mistakes | Confusing 'ninja' with other martial arts terms., 'Ninja' is not pluralized as 'ninjas' in all contexts. | Confused with 'spying' as a noun vs adjective., Using 'spy' without an object (e.g., 'I spy' needs a target, like 'I spy a bird')., Using 'spy' in the past tense incorrectly (e.g., 'spied' is correct, not 'spied on'). |
| Usage notes | Often used in martial arts contexts or popular culture. Not typically used in serious discussions. | Use 'spy' in both informal and formal contexts. It can refer to espionage or simply watching someone closely. It's not appropriate in casual conversations unless joking. |
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Frequently asked questions: Ninja vs Spy
What's the difference between Ninja and Spy?
Ninja: A skilled fighter who is good at moving quietly and secretly. Spy: A person who secretly watches or gathers information about others.
Which is more common: Ninja and Spy?
Ninja is the most common in everyday English.
Can you show an example of each?
Ninja: The ninja moved silently across the rooftop. Spy: The spy successfully infiltrated the enemy's headquarters to gather confidential information.
Can I use Ninja and Spy interchangeably?
Not always. Ninja and Spy 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.