What context can I use each word in?
Learn when and how to use these words with these examples!
codes
Example
The spy used secret codes to communicate with his team. [codes: noun]
Example
You need to enter the access code to unlock the door. [code: noun]
keys
Example
I can't find my house keys. [keys: noun]
Example
Please enter your username and password to log in. [password: noun]
Good things to know
Which word is more common?
Keys is more commonly used than codes in everyday language. Keys are widely understood and used in various contexts, such as locks, passwords, or solutions to problems. Codes, on the other hand, are more specific to certain fields like computer science or cryptography.
What’s the difference in the tone of formality between codes and keys?
While codes can be associated with technical or specialized language, keys are more versatile and can be used in both formal and informal contexts. Keys are often used in everyday conversations and are easily understood by people of different language proficiency levels.
